Bill Clinton: "I don't know" if there was tampering in 2016 election results
Former President Bill Clinton is tackling fictional terrorism in a new novel called "The President is Missing." He co-authored the book with bestselling writer James Patterson. In a interview with "Sunday Morning's" Mo Rocca, Mr. Clinton spoke about the book, Russia's meddling in the 2016 election, and his impeachment. Watch the interview Sunday, June 3, on CBS.