PITTSBURGH (NEWSRADIO 1020 KDKA) — Sarah Palin is crossing the country on a bus tour, but hasn’t announced she will run for President. Rick Santorum announces today. As the field for Presidential candidates becomes more muddled, who can make sense of it all? KDKA AM’s Larry Richert and John Shumway talk to University of Pittsburgh political analyst Dr Gerry Schuester to find out who’s in, who’s out, and who doesn’t have a chance.