WATCH: Trump, Pelosi, Schumer have extraordinary exchange over border wall

President TrumpDonald John TrumpTrump rips Dems' demands, impeachment talk: 'Witch Hunt continues!' Nevada Senate passes bill that would give Electoral College votes to winner of national popular vote The Hill's Morning Report - Pelosi remains firm despite new impeachment push MORE on Tuesday sparred with Senate Minority Leader Charles SchumerCharles (Chuck) Ellis SchumerSchumer wants investigation into Chinese-designed New York subway cars Getting serious about infrastructure Schumer calls on McConnell to hold vote on Equality Act MORE (D-N.Y.) and House Minority Leader Nancy PelosiNancy Patricia D'Alesandro PelosiTrump rips Dems' demands, impeachment talk: 'Witch Hunt continues!' The Hill's Morning Report - Pelosi remains firm despite new impeachment push The Memo: Trump allies see impeachment push backfiring on Democrats MORE (D-Calif.) over the president's demand to fund a border wall, threatening a government shutdown if he does not get the money he has requested.

Watch the exchange in the video above.