“It’s not enough anymore in American politics to be the smartest person or the most experienced or the best CEO or the guy who ran a city. If you can’t communicate, forget about it.” Mark McKinnon has advised everyone from City Councilmen to the President of the United States. He now hosts Showtime's hit show "The Circus. Mark visits with us from South Carolina, where he gives a preview of the Saturday primary - and grades each of the candidates' communications skills.