Romney campaign aides say they believe that Michigan is, in fact, in play for Mitt Romney, who came of age in the state as the son of an auto executive turned governor of the state. They pointed to his full slate of events here Tuesday, the final swing of a five-day bus tour, as a sign of his seriousness about the state.

And if nothing else, Mr. Romney’s most recent dip into Michigan serves as a good test run in a state that at worst will force President Obama and the Democrats to spend resources that they would prefer to deploy elsewhere.

As Romney said Monday night, in a brief conversation with reporters on his plane, “Who knows at this early stage, but I think Michigan’s a state I can win.”

Read more: New York Times