The man who spent more than three decades in a psychiatric hospital for trying to assassinate then-President Ronald Reagan in 1981 appeared Friday on CNN to speak out against political violence and call for “peace and love.” John Hinckley Jr. appeared on “OutFront” with Erin Burnett to address the American public, and tell people to “please try and reject violence and bring peace and love into their life.” “I feel the need to speak out because this country is just in a really bad place,” he said. “There’s just so much violence. So many guns. And it’s just really a fraught time right now in Ame…