AUTO DEALER ROBERT GANLEY, 38-year-old son of U.S. Senate candidate Tom Ganley, has taken out petitions at the Summit County Board of Elections for the 13th Congressional District now represented by Betty Sutton, a Democrat. But the younger Ganley tells me that he has not yet decided whether to enter the field for the May 4 primary. He says several factors are being weighed. But he affirms his conservatism. Father Tom Ganley, a multimillionaire rightwing auto dealer, is making his presence felt in the Republican senatorial race against Rob Portman with a barrage of TV ads and says he's prepared to spend $6 million of his own money to get to Washington. Having appeared at Tea Party rallies, he holds the same views as those of the fledgling movement. Son Bob says he has some "parallel" views. So far five potential candidates have taken out petitions for the job, but only two - James Hrubik and James Brihon -have filed.