Associated Press 6:42 a.m. EDT June 25, 2015 Vice President Joe Biden, left, and President Barack Obama react after a heckler was removed from the East Room of the White House during a reception to celebrate LGBT Pride Month, June 24, 2015, in Washington.(Photo: Evan Vucci / AP) CONNECTTWEETLINKEDINCOMMENTEMAILMORE Washington — President Barack Obama took on a heckler head-on at a gay pride month reception at the White…