Trump calls possible investigation on his businesses ‘presidential harassment’ Video

Now Playing: McConnell touts ‘bipartisanship,’ warns Democrats against ‘presidential harassment’

Now Playing: Friday Rewind: Russia investigation intensifies

Now Playing: Sen. Amy Klobuchar gains tough reputation among staff

Now Playing: Trump calls possible investigation on his businesses ‘presidential harassment’

Now Playing: Pelosi: Trump ‘projecting his own unruliness’

Now Playing: Trump asks Congress to pass legislation that will prohibit late-term abortion

Now Playing: Parkland victim’s dad, lawmaker clash at gun-violence hearing

Now Playing: Photo of Pelosi applauding Trump becomes an internet-defined clap back

Now Playing: Democrats launch multiple investigations into Trump

Now Playing: Virginia AG says he wore ‘brown makeup’ in college

Now Playing: Pelosi slams Trump’s State of the Union warning to Congress

Now Playing: Senator apologizes for her claims of an American Indian heritage

Now Playing: President Trump praises US troops and allies, speaks on fight against ISIS

Now Playing: Trump announces controversial pick for World Bank

Now Playing: Jill Abramson on her book ‘Merchants of Truth: Inside the News Revolution’

Now Playing: Stacey Abrams delivers Democratic response to President Trump’s State of the Union

Now Playing: Takeaways from President Donald Trump’s State of the Union

Now Playing: Trump calls for unity, bipartisanship and immigration restrictions at SOTU address

Now Playing: Trump aims to eliminate HIV epidemic in America

Now Playing: Trump condemns the brutality of the Maduro regime