President Biden vows to respond to a drone attack that killed three U.S. soldiers at a remote base in Jordan. Israel accuses the main U.N. agency in Gaza of aiding Hamas in its October 7 attack. And House Republicans seek to impeach Homeland Security Secretary Alejandro Mayorkas.Want more comprehensive analysis of the most important news of the day, plus a little fun? Subscribe to the Up First newsletter. Today's episode of Up First was edited by Mark Katkov, Gerry Holmes, Kelsey Snell and Olivia Hampton.It was produced by Ziad Buchh, Ben Abrams and Ana Perez.We get engineering support from Arthur Laurent. And our technical director is Zac Coleman.