Oval Office clash Video - ABC News

Now Playing: President Trump meets with Pelosi, Schumer

Now Playing: The Oval Office showdown between Trump and Schumer, Pelosi

Now Playing: Oval Office clash

Now Playing: Federal judge orders Stormy Daniels to pay Trump nearly $300K in legal fees

Now Playing: President Trump, Democratic leaders clash over border security, spending bill

Now Playing: Roger Stone appears on Capitol Hill with Alex Jones

Now Playing: Trump says many are vying for his chief of staff job

Now Playing: President Trump spars with Schumer and Pelosi during tense meeting

Now Playing: Trump, Schumer, Pelosi publicly spar over border security

Now Playing: White House scrambles to find chief of staff

Now Playing: Trump to meet Democrats to avoid shutdown

Now Playing: ‘Start Here’ podcast: Trump to meet with Schumer and Pelosi

Now Playing: Trump’s search for a chief of staff intensifies

Now Playing: Trump: Stormy Daniels payments ‘simple private transaction’

Now Playing: ‘Green new deal’ protests on Capitol Hill

Now Playing: Inside the Senate office

Now Playing: Pelosi, Schumer expected to meet with Trump amid battle over border funding

Now Playing: Maria Butina, accused Russian agent, appears poised to plead guilty