INTRO: Pres_Campaigns_035

A Secret Service agent surveys the crowd as U.S. Presidential candidate Donald Trump (R-NY) speaks at a rally at Sunset Cove Amphitheater in Boca Raton, FL, on March 13, 2016.

A Secret Service agent surveys the crowd as U.S. Presidential candidate Donald Trump (R-NY) speaks at a rally at Sunset Cove Amphitheater in Boca Raton, FL, on March 13, 2016.