Mitt Romney resorts to lying every time he is cornered, two former congressmen who support his rival, Newt Gingrich, claim in a letter sent to influential newspapers in Super Tuesday states. Former Reps. Bob Walker and J.C. Watts asked the papers to bear in mind 18 instances in which either Romney or his super PAC, Restore Our Future, have spouted what they call “falsehoods.” “Governor Romney’s negative attack mentality, unfortunately, is a reflection of his own persona,” Watts and Walker say in the letter sent to leading newspapers in Georgia, Ohio, Oklahoma, Tennessee, and Washington state. All have primaries next...