ARIZONASen. Jeff Flake holds town hall in MesaSen. Jeff Flake answers questions during a town hall at the Mesa Convention Center in Mesa on April 13, 2017.Patrick Breen/The RepublicPeople display their anger with answers during a during a town hall with Sen. Jeff Flake at the Mesa Convention Center in Mesa on April 13, 2017.Patrick Breen/The RepublicThe boos are too loud for one man during Sen. Jeff Flake's town hall at the Mesa Convention Center in Mesa on April 13, 2017.Patrick Breen/The RepublicThe crowd raises green pieces of paper in support of a question asked during a town hall with Sen. Jeff Flake at the Mesa Convention Center on April 13, 2017.Patrick Breen/The RepublicSen. Jeff Flake answers questions on health care during a town hall at the Mesa Convention Center in Mesa on April 13, 2017.Patrick Breen/The RepublicPeople react to questions asked of Sen. Jeff Flake during a town hall at the Mesa Convention Center in Mesa on April 13, 2017.Patrick Breen/The RepublicThe crowd reacts to a question asked of Sen. Jeff Flake during a town hall at the Mesa Convention Center in Mesa on April 13, 2017.Patrick Breen/The RepublicPeople react to questions asked of Sen. Jeff Flake during a town hall at the Mesa Convention Center in Mesa on April 13, 2017.Patrick Breen/The RepublicThe crowd reacts to an answer on "Obamacare" during a town hall at the Mesa Convention Center in Mesa on April 13, 2017.Patrick Breen/The RepublicSen. Jeff Flake answers questions during a town hall at the Mesa Convention Center in Mesa on April 13, 2017.Patrick Breen/The RepublicA women show her discontent with an answer during a town hall with Sen. Jeff Flake at the Mesa Convention Center in Mesa on April 13, 2017.Patrick Breen/The RepublicSen. Jeff Flake answers questions on the proposed border wall during a town hall at the Mesa Convention Center in Mesa on April 13, 2017.Patrick Breen/The RepublicSen. Jeff Flake answers the second part of a question on health care during a town hall at the Mesa Convention Center in Mesa on April 13, 2017.Patrick Breen/The RepublicPeople react to questions asked of Sen. Jeff Flake during a town hall at the Mesa Convention Center in Mesa on April 13, 2017.Patrick Breen/The RepublicA woman shows her discontent with an answer during a town hall at the Mesa Convention Center in Mesa on April 13, 2017.Patrick Breen/The RepublicPeople react to questions asked of Sen. Jeff Flake during a town hall at the Mesa Convention Center in Mesa on April 13, 2017.Patrick Breen/The RepublicSen. Jeff Flake answers questions during a town hall at the Mesa Convention Center in Mesa on April 13, 2017.Patrick Breen/The RepublicA sign saying "disagree" can be seen in the crowd during a town hall with Sen. Jeff Flake at the Mesa Convention Center in Mesa on April 13, 2017.Patrick Breen/The RepublicSen. Jeff Flake smiles as the crowd boos and puts up red pieces of paper showing their views on his answer during a town hall at the Mesa Convention Center in Mesa on April 13, 2017.Patrick Breen/The RepublicSen. Jeff Flake answers questions on health care during a town hall at the Mesa Convention Center in Mesa on April 13, 2017.Patrick Breen/The RepublicThe crowd reacts to questions asked during a town hall at the Mesa Convention Center in Mesa on April 13, 2017.Patrick Breen/The RepublicMelody Steele, 15, dressed as a chicken, on stage before a town hall with Sen. Jeff Flake at the Mesa Convention Center in Mesa on April 13, 2017.Patrick Breen/The RepublicThe crowd reacts to questions asked during a town hall at the Mesa Convention Center in Mesa on April 13, 2017.Patrick Breen/The RepublicSen. Jeff Flake addresses the audience during a town hall at the Mesa Convention Center in Mesa on April 13, 2017.Patrick Breen/The Republic