The Alabama duo served alongside one another for the 27th longest stretch in the chamber’s history.
Up to 11 women could run for reelection to the chamber in two years; the chamber’s all-time record is just six.
If a handful of toss-up races all end up in the Democratic column, the party will have its strongest showing in races for governor since its formation nearly 190 years ago.
After the 2016 cycle, the party could reach record winning streaks for governor in five states across three regions of the country.
Since 1972, all seven sitting U.S. Senators who ran for reelection in the cycle of their failed presidential bid won another term – each by double digits.
Kasich, Cruz, and Carson received the most votes as former White House hopefuls; 10 GOPers won more votes as ex-candidates than when they were still in the race.
The Washington primary boosts Trump over the top of George W. Bush’s record set in 2000.
Presumptive GOP nominees have averaged more than 75 percent of the primary vote after their main challengers have exited the race.
While female candidates have opportunities to pick up seats this November, some face challenging general election odds while others face stiff competition to win their party’s primary.
No sitting US Representative has ever won a gubernatorial election in Washington – and just two have tried.