As Virginia voters prepare to choose their next governor on Tuesday, Democratic Lt. Gov. Ralph Northam leads former Republican National Committee Chair Ed Gillespie, 51 percent to 45 percent, dropping one point to a 6-point lead in the final tracking survey of likely voters by the Watson Center for Public Policy at CNU. Down-ticket, the Democratic candidates continue to lead their Republican rivals, according to the poll. In the race for lieutenant governor, Democrat Justin Fairfax leads Republican state Sen. Jill Vogel, 50 percent to 45 percent. Seeking a second term as attorney general, incumbent Democrat Mark Herring leads John Adams, 49 percent to 45 percent. The Watson Center survey has a margin of error of plus or minus 3.5 percent.