<p>FILE In this Jan. 17, 2012 file photo, New Mexico Gov. Susana Martinez is seen in Santa Fe, N.M. Not it! Republicans considered to be up-and-comers are scrambling to make it known they have no interest in becoming Mitt Romney?s running mate, taking themselves off the still-forming short list of would-be vice presidents. With Romney poised to win the GOP nomination in June _ if not earlier _ some of the focus has shifted to his pick for the number-two spot on his tic…

April 5, 2012