Republican presidential candidate Sen. Marco Rubio of Florida greets the audience at a campaign rally in Idaho Falls, Idaho. (March 6, 2016)
Republican presidential candidate Sen. Marco Rubio of Florida greets the audience at a campaign rally in Idaho Falls, Idaho. (March 6, 2016) Paul Sancya Associated Press
Republican presidential candidate Sen. Marco Rubio of Florida greets the audience at a campaign rally in Idaho Falls, Idaho. (March 6, 2016) Paul Sancya Associated Press