Time magazine photographer Chris Morris told CNN that as he tried to exit the media pen, a Secret Service agent began choking him. "I'm not pressing charges," Morris said Monday. "I stepped 18 inches out of the pen and he grabbed me by the neck and started choking me and then he slammed me to the ground." The Secret Service did not immediately respond to a request for comment Monday. Before the incident, dozens of protesters interrupted Trump's rally, many of them linking arms and bringing the Republican presidential front-runner's stump speech temporarily to a halt. The protest started after...