Tom Selleck wrote "Blue Bloods" and "You Never Know"

Tom Selleck on "Blue Bloods" and his memoir, "You Never Know". The hit CBS drama is set to end this year. He talks with correspondent Tracy Smith about his desire to continue. He also talks about how he got Frank Sinatra his last acting gig.

In his new memoir the star of such hit TV series as "Magnum, P.I." and "Blue Bloods" writes of the serendipity that launched his career.