New Jersey Gov. Chris Christie (R) on Tuesday expressed deep disappointment that details of his vice presidential vetting were leaked to the authors of a new book about the 2012 election. "It's very disappointing," Christie told CNN. "I think it's a complete violation of trust of me and the spirit within which I entered that process." -snip- According to the book, "Double Down: Game Change 2012," by Mark Halperin and John Heilemann, Romney advisers had major reservations about Christie's weight and physical health, along with concerns about Christie having been investigated by the Justice Department for exceeding travel reimbursement rates...