Supporters for Sharice Davids, a Democratic House candidate for Kansas, react as she is declared the winner during a watch party in Olathe, Kan., on Tuesday. Davids defeated incumbent Republican Rep. Kevin Yoder.

Supporters for Sharice Davids, a Democratic House candidate for Kansas, react as she is declared the winner during a watch party in Olathe, Kan., on Tuesday. Davids defeated incumbent Republican Rep. Kevin Yoder.