President Ronald Reagan's two-time running mate George H. W. Bush handily won Wisconsin's Republican primary in 1988, benefitting from Reagan's endorsement and fending off challenges from Kansas Sen. Bob Dole and televangelist Pat Robertson.

Wisconsin Republican primary election resultsDate: April 5, 1988Winner: George H.W. BushVotes for: 295,295 (82%)Wisconsin general election resultsDate: Nov. 8, 1988Winner: Michael DukakisVotes for: 1,126,794 (51%)National winner: George H. W. Bush