Just in case you're not convinced about Ohio's importance in the GOP presidential nominating process, consider this: Mitt Romney's national press secretary has moved to suburban Columbus. 

Ryan Williams and other campaign aides are renting a house in Hilliard through the March 6 Ohio primary and soon will work out of a new headquarters office on Dublin Road. Williams said yesterday he will be commuting to Michigan often in the days leading up to that state's Feb. 28 primary election.

Afterward, the Boston resident will focus on Ohio, the top prize among the 10 states with primaries or caucuses on Super Tuesday.