How exactly does one rank presidents, especially those who have long since passed away? And how do recent chief executives stand up against their historical peers? In Where They Stand: The American Presidents in the Eyes of Voters and Historians, Robert W. Merry ranks U.S. presidents based on such parameters as: Was the president reelected? Was he a wartime president? We'll give away the usual No. 1 — Lincoln — but you might have some fun comparing your picks with those of the experts, especially in an election year.
Also of interest: 3 questions to ask the presidential candidates.