Will Comey's book have any effect on the Russia probe?

New revelations by former FBI director James Comey have stirred the president's ire on Twitter. But do they say anything new about the potential legal trouble President Trump could face? Judy Woodruff talks with Chuck Rosenberg, a former U.S. attorney and senior FBI official, about Comey’s book, as well as efforts by Trump’s legal team to stop prosecutors to examine files of his personal lawyer.