dan balz, a veteran political reporter for "the washington post" has just released a book on the 2012 race. boy, does he mean collision. it's got mike tyson, an anecdote about vomit and at least one guy who has had alleged inappropriate relations with women. but it's not the movie "the hangover." it's the story behind america's 2012 presidential campaign that esteemed political reporter dan balz could not have made up if he tried. in his new book "collision 2012," "the washington post" chief correspondent devilves in the plot and twist to be the leader of free world. this is jim mussina, president obama's former campaign manager