There are large historical differences between America’s two major political parties in how they choose their presidential nominees. Consider this: Since 1952, there have been 11 presidential elections in which there wasn’t a Republican president running for reelection. In 10…

The final results of the 1980 presidential election between the Democratic President Jimmy Carter and his Republican challenger, former California Gov. Ronald Reagan, are rightly recorded as a landslide Republican victory. Carter carried just six states: his native Georgia, his…