Rick Santorum's latest attempt to use a Mitt Romney aide's "Etch-A-Sketch" remark against the Republican front-runner instead gave his rival a chance to fire back on Thursday, after Santorum seemed to say he'd rather see President Obama reelected than send Romney to the White House. Speaking at an event in Texas, Santorum again made the case that Romney spokesman Eric Fehrnstrom's comments Wednesday on CNN about a "reset" of the campaign if Romney clinched the nomination showed the former Massachusetts governor's efforts to appeal to conservatives were insincere. "You win by giving people the opportunity to see a different vision...