William Howard Taft
William Howard Taft was the final president to serve before what I believe to be one of the most tragic transformations in US history: The Republican Party's shift from the progressive party of industrial workers and former slaves into a right-wing vehicle for the policies of wealthy industrialists and social conservatives. Between Taft and the next Republican occupant of the White House was Woodrow Wilson, who was succeeded by Warren G. Harding . While Harding was still progressive on social issues and foreign policy, he was conservative on economics. Calvin Coolidge , who secured the presidency following Harding's 1923 death, was similar, but slightly more conservative on social topics, particularly immigration. With the arguable exception of Dwight D. Eisenhower, the next few Republican presidents - Herbert Hoover , Eisenhower, Richard Nixon , Gerald Ford , Ronald Reagan , etc. - continued the gradual descent into conservatism, culminating in the imperialist adventurism of G...