Former Vice President Dick Cheney and his daughter, Liz, co-authors of the new book "Exceptional: Why the World Needs a Powerful America"
Former Vice President Dick Cheney and his daughter, Liz, co-authors of the new book "Exceptional: Why the World Needs a Powerful America," have a candid conversation with "Sunday Morning" correspondent Lee Cowan about Donald Trump's presidential bid. Watch the full story this Sunday on "Sunday Morning."
