Over the last dozen election cycles, only one candidate who was the last to enter the race won the Democratic or Republican Party nomination.
Since 1982, incumbent Democratic U.S. Senators have won 263 of 266 nomination bids.
Many primary challengers with less of a political resume than Weld have reached double-digits against sitting presidents over the last five decades.
Four pairs of Democrats now have to defeat a candidate from their own state en route their party’s nomination.
With the addition of Gillibrand, the 2020 field ties 1972 and 2016 for the most sitting U.S. Senators running for president in the modern primary era.
Just six governors hail from a different party than their state’s U.S. Senate delegation; 34 governors are from the same party.
Fourteen states will be represented by a single party on Capitol Hill – seven Democratic and seven Republican; one party controls all but one seat in 13 other states.
The winning margins between the two parties in races for governor and U.S. Senate in 2018 may be the largest with a split ticket outcome in state history.
Nine state delegations currently have junior senators who are older than its senior senator.
Despite a seemingly Democratic-friendly cycle, Republicans may add to gubernatorial majority in the region.