Entire 2016 field descends on New York City ahead of primary

Judy Stabile of Oakmont, Pa., left, confronts anti-Trump protesters as she waits in line to enter the David L. Lawrence Convention Center for a rally for Republican presidential candidate Donald Trump in Pittsburgh, Wednesday, April 13, 2016. (Rebecca Droke/Pittsburgh Post-Gazette via AP) MAGS OUT; MONESSEN OUT; KITTANNING OUT; CONNELLSVILLE OUT; GREENSBURG OUT; TARENTUM OUT; NORTH HILLS NEWS RECORD OUT; BUTLER OUT; MANDATORY CREDIT