U.S. Senate
McConnell Records Weakest Kentucky US Senate Incumbent Primary Victory in 75+ Years
McConnell wins the lowest percentage of the primary vote among the last 22 Kentucky U.S. Senators vying for a renomination bid dating back to 1938.
Read MoreWill the Number of Female US Senators Drop After 2014?
The number of women in the chamber has remained stable or increased in every cycle since the late 1970s.
Read MoreNorth Carolina GOP Eyes 2nd Ever US Senate Primary Runoff
A record number of GOP U.S. Senate candidates could drag Thom Tillis into the party’s second runoff in history; the last five North Carolina Democratic and GOP run-off victors lost the general election.
Read MoreCrowded 2014 South Dakota US Senate Field Ties State Records
This cycle finds the Mount Rushmore State equaling historical marks for the most U.S. Senate candidates qualifying for the ballot as well as the most Republicans (or candidates from any party) in a primary race.
Read MoreChoices, Choices: South Dakota Voters Get Rare Options in 2014 US Senate Race
It has been more than 80 years since South Dakotans had so many candidates from which to choose in a U.S. Senate election.
Read MoreWhich 1-Term US Senator Will Fall in 2014?
First-term Senators account for more than half of all defeated incumbents over the last century; at least one 1-term U.S. Senator has lost reelection in all but four of the 50 election cycles in the direct election era.
Read MoreWill Kathleen Sebelius Seek a Rare Political Trifecta?
Sebelius could become the first woman to serve as governor, U.S. Senator, and cabinet head, and just the ninth individual to do so during the last 100+ years.
Read MoreWill Montana Split Its Congressional Ballot Again in 2014?
Only two of 27 states have split their vote for U.S. Senate and at-large U.S. House seats in a majority of elections over the last century: Montana (78 percent of the time) and South Dakota (60 percent).
Read MoreWhich States Are Bellwethers for Partisan Control of the US Senate?
Two states – Rhode Island and Nevada – have elected U.S. Senators into the majority party of the subsequent Congress 75+ percent of the time over the last 100 years; Virginia has done so in each of the last six elections.
Read MoreCornyn Records Weakest Ever Primary Win for Texas GOP US Senator
He may have cruised to a 40-point win, but the two-term Republican incumbent was still less than 10 points from a runoff while recording the worst ever primary performance by a Texas Republican Senator.
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