Republicans hold 47 votes in the Senate and if they win the majority, that could further boost Cornyn's chances. After all, the NRSC chairman would be given much of the credit for electing more Republicans to the Senate.
Both Thune and Cornyn are reasonably well-liked in the GOP Conference. But Thune could be a formidable opponent, given that lawmakers already expect to at least gain seats, if not be competitive for the majority.
Sen. Jeff Flake, R-Ariz., takes a selfie with his cut-out head during the Hoops for Youth 16th annual charity basketball game held at George Washington University's Smith Center, September 8, 2014. The members of Congress team beat the lobbyist team 46-40. Buy photo here.