If the 2016 GOP nominee picks Sen. Rob Portman as a running mate, the Buckeye State senator will not have to chose between his Senate seat and a slot on the GOP national ticket. This week's Ohio edition of Roll Call's Farm Team series looked at the future of Portman's seat, and according to the Ohio secretary of state's office, a Buckeye State candidate may appear on the ballot twice in federal races. (more…)