LOS ANGELES (AP) ? Stephen Colbert says he has no regrets about a monologue that included a crude sexual reference on the relationship between the presidents of the United States and Russia and has since prompted calls to fire him and boycott "Late Show" advertisers. "He, I believe, can take care of himself," Colbert said at a Wednesday taping of his CBS late-night show. In his Monday monologue, Colbert said: "Mr. Trump, your presidency, I love your presidency. I call it "Disgrace the Nation." I'm your host, Stephen Colbert.