Judging the Franklin Pierce presidency, one of the worst
No survey of America's worst presidents would be complete without our 14th president, Franklin Pierce, whose reputation for amiability and good looks (and his introduction of perforated postage stamps) was offset by his support for the 1854 Kansas-Nebraska Act, which led to clashes between pro- and anti-slavery forces. Correspondent Mo Rocca looks at the legacy of a president whose actions in office brought the nation closer to civil war.