Trump ‘surprised’ by allegations of abuse involving staffer Video

Now Playing: Trump ‘surprised’ by allegations of abuse involving staffer

Now Playing: Who is Ryan Zinke?

Now Playing: Lawmakers’ late-night showdown ends with bipartisan budget deal

Now Playing: Pence bashes North Korea’s military parade, endorses Trump’s parade

Now Playing: Sen. Rand Paul: ‘I can’t in all honesty look the other way’

Now Playing: Omarosa on working in the Trump White House: ‘I was serving my country, not serving him’

Now Playing: House Speaker Paul Ryan trying to get GOP on board with bipartisan budget deal

Now Playing: High-level White House officials knew about Porter abuse accusations for months: Sources

Now Playing: WH says ‘we all could have done better’ dealing with Rob Porter

Now Playing: White House addresses staffer’s exit amid domestic violence allegations

Now Playing: Meet the little girl Trump called ‘a hero’

Now Playing: Trump aide Rob Porter resigns amid allegations of domestic abuse

Now Playing: Trump defends religious liberty at home and abroad at National Prayer Breakfast

Now Playing: WH reacts to Senate’s sweeping spending deal

Now Playing: Democrats and GOP reach bipartisan agreement to fund government for 2 years

Now Playing: No date set, but formal Trump request in for US military parade

Now Playing: Nancy Pelosi ends record-breaking speech on House floor

Now Playing: Former New Jersey Gov. Chris Christie joins ‘Powerhouse Politics’

Now Playing: Trump’s call for big military parade gets mixed reaction on Capitol Hill

Now Playing: White House won’t commit to Trump signing budget deal