Greg Corombos of Radio America and Jim Geraghty of National Review like a U.S. News and World Report survey showing Americans’ greatest fear in 2012 is President Obama being re-elected. They’re also dumbfounded as Newt Gingrich, Jon Huntsman and Rick Perry attack a very vulnerable Mitt Romney over the most conservative part of his record. And they wonder what’s behind another exit of a White House chief of staff.