One of the last chances for a tea party challenger to oust an establishment Republican came to an end in Kansas on Tuesday night when Sen. Pat Roberts defeated Milton Wolf in the primary.
The three-term senator had 48% of the vote to Wolf's 41% with more than 98% of precincts reporting. Two other candidates split the rest of the votes.
Both campaigns stumbled in a state that has veered to the right in recent years.
Roberts, 78, came under fire this year when it was revealed that he no longer had a home in Kansas, but rented a room at a friend's Dodge City house.
Wolf, 43, used that against him, and Roberts amplified the controversy when he told a radio...