A "long-shot" or "underdog" would best describe the former governor of Tennessee, James Knox Polk, who had lost two reelection bids and now sought his party's vice-presidential nomination. Events unfolded rapidly at the Democratic convention in the warm summer of 1844. James Polk had hoped to be his party's choice as front runner Martin Van Buren's vice presidential nominee going into the fall general election. Seven ballots into the nomination process...