Former Massachusetts governor Mitt Romney senses the worst may be over for him and goes after a confident Newt Gingrich looking for another come-from-behind victory in the Florida Primary. Also, Romney bowing to pressure, has released two years of tax returns. Reviews of his 2010 return show Romney paying nearly $3 million in federal taxes on $ 21.7 million of income. That’s a tax rate of just under 14 percent