Who is more believable: Michael Cohen or Donald Trump? Video

  • Now Playing: Michael Cohen delivered a number of accusations against Trump


  • Now Playing: Michael Cohen returns to Capitol Hill




  • Now Playing: Who is more believable: Michael Cohen or Donald Trump?




  • Now Playing: DHS secretary Nielsen defends Trump immigration policies




  • Now Playing: Trump slams Democrats’ probe into Jared Kushner’s security clearance




  • Now Playing: House Committee on Homeland Security member speaks after CBP shares border stats




  • Now Playing: FDA Commissioner Scott Gottlieb announces resignation




  • Now Playing: Michael Bloomberg will not be running for president in 2020




  • Now Playing: Trump slams House committee’s investigation into his administration as ‘a disgrace’




  • Now Playing: President Donald Trump orders creation of new task force to prevent veteran suicides




  • Now Playing: Honoring politician Ileana Ros-Lehtinen




  • Now Playing: Hillary Clinton rules out 2020 presidential bid




  • Now Playing: Will Democrats’ probe backfire?




  • Now Playing: Democrats launch obstruction of justice probe into Pres. Trump




  • Now Playing: Senate committee hears from Ohio teen who spoke out about anti-vaccine household




  • Now Playing: WH blasts Dems’ ‘disgraceful’ investigation




  • Now Playing: Trump again serves fast food to college athletes at White House




  • Now Playing: First lady Melania Trump hits the road to promote her ‘Be Best’ campaign




  • Now Playing: Democrats launch investigation into allegations of ‘abuse of power’ against Trump




  • Now Playing: Amber Tamblyn says the country is having a ‘national existential crisis’