The State Board of Elections has been investigating a complaint that one of the Republican candidates for North Carolina's open U.S. Senate seat lives in Florida. She says it's false.

Interviews with key strategists and donors reveal why Democrats think they can flip the Senate in 2026 through these states:

For the first time in decades, Sen. Dick Durbin is not seeking reelection, and a slew of candidates are running to replace him.

Mike DeWine to fill the vacancy created by JD Vance’s election as vice president, will have to defend his seat for the first time. His opponent in the general election will most likely be Sherrod Brown,

Nixon is set to run against incumbent Ashley Moody, who previously served as the state's attorney general, but was appointed a senator by Gov. Ron DeSantis in 2025.

Mayor Brandon Johnson defended his top aide’s involvement in U.S. Rep. Jasmine Crockett’s Senate campaign on Tuesday, arguing that the firebrand Texas Democrat’s election would be vital to his Chicago agenda as well.

In Alaska, Ohio, North Carolina and Maine, Democrats have fielded Senate candidates who won statewide office before, raising expectations to flip seats.