Newt Gingrich has a lot going for him if he decides to run for president -- a famous name, a record of accomplishment, a knack for raising money and a rhetorical flair that appeals to his party's conservative base. It's almost enough to make you forget his central handicap, which is that he is Newt Gingrich. Succeed Barack Obama in the White House? Given his latest news making, he has a better chance of replacing Charlie Sheen in "Two and a Half Men." The chief problem is not that Gingrich has been through two divorces and is married to a...