Since 1928, only Dwight Eisenhower and George W. Bush have won the presidency while capturing both houses of Congress for the GOP. In his 49-state landslide, Richard Nixon failed to take either House. In his two landslides, Ronald Reagan won back only the Senate. Yet Mitt Romney is even money to pull off the hat trick. With this hopeful prospect, why the near despair among so many Republicans about the long term? In his New York Times report, “In California, GOP Fights Steep Decline,” Adam Nagourney delves into the reasons. In the Golden Land, a state Nixon carried all five...