The Chicago Tribune headline "DEWEY DEFEATS TRUMAN" remains infamously wrong about the outcome of the 1948 presidential election. But, as Andrew Busch reveals, there is much more to this story than the well-worn image of a victorious and beaming President Harry Truman parading the newspaper's erroneously headlined front page for all to see.

Primarily a contest between Truman and challenger Thomas Dewey, the 1948 presidential race offered something for everyone, including two third-party candidates (Strom Thurmond and Henry Wallace), triumphant grit, tragic hubris, dangerous naivete,...