PHOENIXPolice disperse Trump protesters in PhoenixA protester sits on Second Street in front of a line of Phoenix police officers trying to clear the area after they fired gas into the crowd on Aug. 22, 2017.Michael Chow/The RepublicProtesters were gassed by Phoenix police outside of the Phoenix Convention Center following President Donald Trump's visit in Phoenix on Aug. 22, 2017.Nick Oza/The RepublicProtesters were gassed by Phoenix police outside of the Phoenix Convention Center following President Donald Trump's visit in Phoenix on Aug. 22, 2017.Nick Oza/The RepublicProtesters were gassed by Phoenix police outside of the Phoenix Convention Center following President Donald Trump's visit in Phoenix on Aug. 22, 2017.Nick Oza/The RepublicProtesters were gassed by Phoenix police outside of the Phoenix Convention Center following President Donald Trump's visit in Phoenix on Aug. 22, 2017.Nick Oza/The RepublicProtesters leave the scene after Phoenix police used gas outside the Phoenix Convention Center on Aug. 22, 2017, in Phoenix. Protests were held against President Donald Trump as he hosted a rally inside the convention center.Associated PressProtesters raise their hands after Phoenix police used gas outside the Phoenix Convention Center on Aug. 22, 2017, in Phoenix. Protests were held against President Donald Trump as he hosted a rally inside the convention center.Associated PressSmoke billows after Phoenix police used gas outside the Phoenix Convention Center on Aug. 22, 2017, in Phoenix. Protests were held against President Donald Trump as he hosted a rally inside the convention center.Associated PressProtesters yell after Phoenix police used gas outside the Phoenix Convention Center on Aug. 22, 2017, in Phoenix. Protests were held against President Donald Trump as he hosted a rally inside the convention center.Associated PressPhoenix police move protesters away after using tear gas outside the Phoenix Convention Center on Aug. 22, 2017, in Phoenix. Protests were held against President Donald Trump as he hosted a rally inside the convention center.Associated PressPhoenix police move protesters away after using gas outside the Phoenix Convention Center on Aug. 22, 2017, in Phoenix. Protests were held against President Donald Trump as he hosted a rally inside the convention center.Associated PressPhoenix police use gas on protesters outside the Phoenix Convention Center on Aug. 22, 2017. President Trump held a rally in Phoenix earlier in the evening.Michael Chow/The RepublicPhoenix police use gas on protester outside the Phoenix Convention Center Aug. 22, 2017. President Trump held a rally in Phoenix earlier in the evening.Michael Chow/The RepublicPhoenix police fire gas on protesters after a campaign rally by President Trump at the Phoenix Convention Center on Tuesday, Aug. 22, 2017, in Phoenix.Rob Schumacher/The RepublicPhoenix police fire gas on protesters after a campaign rally by President Trump at the Phoenix Convention Center on Aug. 22, 2017, in Phoenix.Rob Schumacher/The RepublicPhoenix police fire gas on protesters after a campaign rally by President Trump at the Phoenix Convention Center on Aug. 22, 2017, in Phoenix.Rob Schumacher/The RepublicPhoenix police fire gas on protesters after a campaign rally by President Trump at the Phoenix Convention Center on Aug. 22, 2017, in Phoenix.Rob Schumacher/The RepublicProtesters were hit by gas from Phoenix police outside the Phoenix Convention Center during President Donald Trump's visit to Phoenix on Aug. 22, 2017.Nick Oza/The RepublicProtesters are hit by gas from Phoenix police outside the Phoenix Convention Center during President Donald Trump's visit to Phoenix on Aug. 22, 2017.Nick Oza/The RepublicRiot police deploy gas on protesters after President Donald Trump spoke during a rally on Aug. 22, 2017 in Phoenix.Nick Oza/The RepublicProtesters were gas by Phoenix police outside Phoenix Convention Center against President Donald Trump visit in Phoenix on Aug. 22, 2017.Nick Oza/The RepublicPhoenix police use gas on protesters outside the Phoenix Convention Center on Aug. 22, 2017.Michael Chow/The RepublicProtesters were hit by gas from Phoenix police outside Phoenix Convention Center against President Donald Trump visit in Phoenix on Aug. 22, 2017.Nick Oza/The RepublicProtesters were hit by gas from Phoenix police outside Phoenix Convention Center against President Donald Trump visit in Phoenix on Aug. 22, 2017.Nick Oza/The RepublicProtesters were hit by gas from Phoenix police outside Phoenix Convention Center against President Donald Trump visit in Phoenix on Aug. 22, 2017.Nick Oza/The RepublicProtesters were hit by gas from Phoenix police outside Phoenix Convention Center against President Donald Trump visit in Phoenix on Aug. 22, 2017.Nick Oza/The RepublicProtesters were hit by gas from Phoenix police outside Phoenix Convention Center against President Donald Trump visit in Phoenix on Aug. 22, 2017.Nick Oza/The RepublicProtesters were hit by gas from Phoenix police outside Phoenix Convention Center against President Donald Trump visit in Phoenix on Aug. 22, 2017.Nick Oza/The RepublicProtesters were hit by gas from Phoenix police outside Phoenix Convention Center against President Donald Trump visit in Phoenix on Aug. 22, 2017.Nick Oza/The RepublicProtesters were hit by gas from Phoenix police outside Phoenix Convention Center against President Donald Trump visit in Phoenix on Aug. 22, 2017.Nick Oza/The RepublicPhoenix police in a stand-off with protesters after a campaign rally by President Trump at the Phoenix Convention Center on Aug. 22, 2017 in Phoenix.Rob Schumacher/The RepublicPhoenix police in a stand-off with protesters after a campaign rally by President Trump at the Phoenix Convention Center on Aug. 22, 2017, in Phoenix.Rob Schumacher/The RepublicProtesters were gassed by Phoenix Police outside Phoenix Convention Center against President Donald Trump visit in Phoenix on Aug. 22, 2017.Nick Oza/The RepublicPhoenix police use gas on protesters outside the Phoenix Convention Center Aug. 22, 2017, after the Trump rally.Michael Chow/The RepublicProtesters were gassed by Phoenix police outside Phoenix Convention Center against President Donald Trump visit in Phoenix on Aug. 22, 2017.Nick Oza/The RepublicA confrontation on Second Street in downtown Phoenix after Trump's speech on Aug. 22, 2017.Daniel Gonzalez/The RepublicProtesters march past St. Mary's Basillica towards the Phoenix Convention Center on Aug. 22, 2017. President Trump held a rally in Phoenix earlier in the evening.Michael Chow/The RepublicProtesters march past St. Mary's Basillica towards the Phoenix Convention Center on Aug. 22, 2017. President Trump held a rally in Phoenix earlier in the evening.Michael Chow/The RepublicA crowd gather outside of The Arizona Republic newsroom in downtown Phoenix on Aug. 22, 2017, following a speech by President Donald Trump.Chris Coppola/The RepublicPolice release gas on Trump protesters in Phoenix on Aug. 22, 2017.Megan Janetsky/The RepublicThe scene in downtown Phoenix on Aug. 22, 2017, after Trump's speech.Jessica Boehm/The RepublicPolice toss gas canisters at protesters in downtown Phoenix on Aug. 22, 2017, after President Trump spoke at the convention center.Yihyun Jeong/The RepublicProtesters cover their faces from gas fired by police outside the Phoenix Convention Center following President Trump's speech Tuesday.Pat Shannahan/The RepublicPolice throw gas canisters at protesters outside the Phoenix Convention Center after a speech by President Trump on Aug. 22, 2017.Megan Janetsky / The RepublicPolice wear masks to protect themselves from gas fired outside the Phoenix Convention Center following President Donald Trump's speech Tuesday.Pat Shannahan/The RepublicProtesters cover their faces from a cloud of gas fired by police outside the Phoenix Convention Center following President Trump's speech on Aug. 22, 2017.Pat Shannahan/The Republic"Just gassed #PhoenixRally #Phoenix #Trump," Corey Archuleta tweeted Aug. 22, 2017.Corey Archuleta/Special For The RepublicPolice throw gas canisters at protesters outside the Phoenix Convention Center after a speech by President Trump on Aug. 22, 2017.Megan Janetsky/The RepublicPolice throw gas canisters at protesters outside the Phoenix Convention Center after a speech by President Trump on Aug. 22, 2017.Megan Janetsky/The RepublicTear gas was deployed after President Donald Trump gave a speech in downtown Phoenix on Aug. 22, 2017.Jason Pohl/The RepublicProtesters gather outside the Phoenix Convention Center on Aug. 22, 2017, where President Donald Trump held a rally.Michael Chow/The RepublicProtesters march on E. Van Buren St. towards the Phoenix Convention Center on Aug. 22, 2017.Michael Chow/The RepublicProtesters are held back by barricades outside the Phoenix Convention Center on Aug. 22, 2017, as President Donald Trump spoke inside.Megan Cassidy/The RepublicPhoenix police put out a smoke bomb thrown by a protester after President Trump's rally at the Phoenix Convention Center on Aug. 22, 2017.Rob Schumacher/The RepublicPhoenix police use gas on protesters outside the Phoenix Convention Center on Aug. 22, 2017.Michael Chow/The RepublicPhoenix police fire gas at protesters after President Donald Trump's rally at the Phoenix Convention Center on Aug. 22, 2017.Rob Schumacher/The Republic