Jill Stein raises $4 million to fund state vote recounts

Jill Stein, the Green Party's 2016 presidential candidate, is preparing to request recounts of election results in several battleground states. Concerned about the accuracy of machine-counted ballots, Stein has raised over $4 million in an online campaign to support verifying vote tallies. John Yang speaks with Stein about her efforts, then learns more from David Sanger of The New York Times.