Day 4, Part 9: Adam Schiff's and Devin Nunes' afternoon opening statements

House Intelligence Committee Chairman Adam Schiff and ranking Republican Devin Nunes gave opening statements Wednesday afternoon during the fourth day of public impeachment hearings. They spoke before lawmakers heard testimony from Laura Cooper, the deputy assistant secretary of defense for Russia, Ukraine and Eurasia, and David Hale, the undersecretary of state for political affairs.