Bob Woodward: Trump 'doesn't understand the basics'

Bob Woodward says key people in the White House say they spend a third of their time preventing bad things from happening. In his new book, the veteran editor and reporter delivers a stunning and disturbing look inside the Trump presidency, exposing a chaotic White House, lead by a man who has said he believes the key to power is "Fear." Woodward joins Judy Woodruff to discuss his reporting.