Sorry, I ran out of credit ibuprofen tylenol piggyback The list of vice presidents who became presidential nominees after Nixon is rounded out by Democrat Hubert Humphrey in 1968, Republican George H.W. Bush in 1988 and Democrat Al Gore in 2000. Gore trailed New Jersey Sen. Bill Bradley in early 1999 but eventually won the Iowa caucuses and the first-in-the-nation New Hampshire primary.