In 1881 James A. Garfield became the second U.S. President to be assassinated. As Mo Rocca learns, however, his death could have been avoided. (from 2016) #PresidentsDay | CBS Sunday Morning

2016 Flashback: In February, "Murder of a President" -- based on Candice Millard's bestselling book Destiny of the Republic -- told the story of President James Garfield, his shooting only four months into his presidency, and its bizarre and heartbreaking aftermath. Watch the full film streaming free: http://to.pbs.org/2hwHuw8 | American Experience | PBS