President Donald Trump plans to make a "major announcement" concerning the border with Mexico and the government shutdown on Saturday, according to his Twitter feed late Friday. In a tweet, Trump said he would make the announcement at 3 p.m. Eastern time on Saturday, which will mark the 29th day of the partial government shutdown, the longest on record. Trump is locked in a stalemate with House Speaker Nancy Pelosi over funding for his proposed wall on the U.S.-Mexico border.