Democratic presidential candidate Sen. Bernie Sanders speaks at a campaign rally, Saturday, March 19, 2016 in Phoenix.
Democratic presidential candidate Sen. Bernie Sanders speaks at a campaign rally, Saturday, March 19, 2016 in Phoenix. Ralph Freso (AP Photo/Ralph Freso)
Democratic presidential candidate Sen. Bernie Sanders speaks at a campaign rally, Saturday, March 19, 2016 in Phoenix. Ralph Freso (AP Photo/Ralph Freso)