Democrats and Republicans in 18 states have now set or tied their longest gubernatorial winning streak in party history.
The U.S. Representative now owns the mark for the best showing by a Republican woman running for governor of Tennessee – although her competition is sparse.
In the direct election era, parties in the midst of nine-election winning streaks have gone on to win a 10th consecutive contest in 42 of 47 attempts.
Sitting and ex-Tennessee U.S. Representatives have been victorious in eight of 22 U.S. Senate bids over the last century.
Only one region of the country is regularly seeing both parties win U.S. Senate seats in the vast majority of its states.
Bredesen could become the first sitting or ex-Democratic governor from Tennessee – and just the second from either major party – to win a U.S. Senate seat in the direct election era.
Record partisan winning streaks in races for governor can be extended, broken, or tied in 15 states holding elections in 2018.
Only one statehood governor in U.S. history has subsequently served in the U.S. Senate from another state.
GOP U.S. Senators who faced bona fide renomination battles over the last four cycles averaged 74 years of age, were 28 years older than their opponent, and had served 24+ years in the chamber; not so in 2018.
An average of seven senators have retired from the chamber each cycle during the past quarter-century; no incumbent up for reelection next year has yet closed the door on a 2018 bid.