U.S. Sen. Lindsey Graham has joined a growing chorus of Republican senators who want to hold off on leadership elections until a winner is declared in the Georgia runoff Dec. 6 between incumbent Democratic Sen. Raphael Warnock and Republican Herschel Walker. “In light of #GASen runoff, it would be appropriate to delay Senate leadership elections until we know who is in the Senate Republican Conference. I totally agree with Senator @TedCruz that to do otherwise would be disrespectful to @HerschelWalker,” Graham, South Carolina’s senior senator, tweeted Sunday. “All Republicans should be focused…