“Sen. Ron Johnson (R-WI) has collected enough signatures to force a GOP conference-wide meeting to discuss delaying Senate Republican leadership elections,” Punchbowl News reports.“Senate Majority Leader John Thune is expected to win another term as GOP leader, but the letter is a sign of conservatives’ discontent with the South Dakota Republican in the wake of the overwhelming Democratic victory on Election Day. Thune has scheduled leadership elections for Tuesday.”“Five Senate Republicans have signed on to Johnson’s effort so far. Johnson is planning to keep collecting signatures through the weekend.”