Today, Democrats in the House plan to start the process of passing individual appropriations bills to reopen the government, beginning with legislation that would fund the Treasury Department, including the I.R.S.

Notable: In making his case for a wall, Mr. Trump has said his predecessors in the Oval Office had admitted to him that they should have built the barriers themselves. But all of the living former presidents say that’s not true.

Explainer: The White House has raised the idea of invoking emergency powers to build the wall without lawmakers’ approval. We examined how that might work.

The Daily: In today’s episode, a Times reporter who covers immigration discusses the situation at the southwestern border.