Why Hasn't a Third Political Party Caught On? Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Independent presidential candidate Ross Perot holds up a copy of the famous front page declaring Thomas Dewey the winner over Harry Truman in the 1948 presidential election. (1 Nov 1992) ( MIKE NELSON/AFP / Getty ) Produced by Marine Olivesi Produced by PRI and WNYC