A few years ago, I got interested in President Rutherford B. Hayes. His presidency came to my attention because the 19th president is a huge hero in Paraguay. Why? He supported Paraguay's territorial claims and saved the country. He got a province, a school, and several streets named after him way south of the border. As my friend from Paraguay said, you'll get a free lunch in Asuncion if your last name is Hayes!President Hayes was also famous for the 1876 election and the compromise that put him in the White House. Though Samuel J. Tilden won the popular vote,...