The following commentary comes from an independent investor or market observer as part of TheStreet's guest contributor program, which is separate from the company's news coverage.NEW YORK ( TheStreet) -- Newt Gingrich is widely known as a smart guy with big ideas. Many who are unhappy with today's government like Gingrich's "in-your-face" pugnacity. But he is also under attack from former Republican colleagues -- those who know him best. As of Dec. 12, no U.S. senator had endorsed Gingrich -- Romney had nine. They are not attacking his positions; they are attacking his personality. Gingrich does not try to deny the accusations. He says that he has changed. But is that likely?
What do colleagues say about Newt?1. He enjoys throwing firebombs. Wall Street Journal columnist Peggy Noon describes Gingrich as, "a human hand grenade who walks around with his hand on the pin saying, "Watch this!" Case-in-point was Gingrich's announcement on Meet the Press that Paul Ryan's health care proposal was "right wing social engineering." He provided no explanation for the charge and later apologized.