Incumbent Roger Marshall (R) and Adam Hamilton (D) face off in a toss-up race for Kansas' U.S. Senate seat

Incumbent Roger Marshall (R), Adam Hamilton (D), and David Graham (L) are running in the general election for U.S. Senate in Kansas on Nov. 3. This U.S. Senate race is among several that will help determine which party controls the chamber. Heading into the election, Republicans have a 53-45 majority. AP's John Hanna writes, "Republican-leaning […]