Kurt Bardella, a spokesman for Breitbart, has quit the company following an incident where one of its reporters accused GOP presidential front-runner Donald Trump’s campaign manager of violently grabbing her. "When you reach a point where you can't give 100% to people you represent, it's not tenable to continue representing them,” Bardella said in a statement to The Hill. Bardella, a former spokesman for Rep. Darrell Issa (R-Calif.), also implied that Breitbart’s handling of the incident at the Trump event was his main reason for leaving. “My own personal observation is that there is a cycle of behavior that is...