ndiana Democratic Sen. Evan Bayh has decided against a run for governor in 2012, robbing Democrats of their top recruit in the Hoosier State. "After careful consideration, I have concluded that the appropriate decision is not to be a candidate for governor of Indiana in 2012," Bayh said in a statement released to the Fix. ""The principle reason for my decision is the welfare of my twin sons." Bayh's decision leaves the Democratic field wide open. Reps. Brad Ellsworth and Baron Hill, both of whom lost races this fall, are likely to consider the Bayh-less contest. Others mentioned include Rep....