NEW YORK, NY - JUNE 9: Don McGahn, lawyer for Donald Trump and his campaign, leaves the Four Seasons Hotel after a meeting with Trump and Republican donors, June 9, 2016 in New York City.

White House blocks Don McGahn Congressional testimony

Former White House counsel Don McGahn will not appear before the House Judiciary Committee, defying the committee's subpoena and setting the stage for another contempt vote to retaliate against the Trump administration for rejecting the demands of Congress. CNN's Manu Raju reports.