On Wednesday, Representative Adam Schiff argued that Mr. Trump’s conduct was exactly what the framers of the Constitution had in mind when they devised impeachment.

Related: Democrats rejected a suggestion that they might call Joe Biden’s son, Hunter, to testify in exchange for an appearance by John Bolton, the former national security adviser.

News analysis: In the trial’s opening days, “the House managers have focused on the facts,” one of our Washington correspondents writes. “The defense team has focused instead on the process.”

Closer look: The Times asked 81 Americans from nearly 30 states what they thought. Most grasped the basics of the case and had strong opinions, if not always the ones you’d expect.

What’s next: The House managers have used about a third of their allotted 24 hours for opening arguments, after which the White House team gets its turn. If senators later vote to subpoena witnesses and documents, the trial could go deep into February. If they don’t, it could be over before Mr. Trump’s State of the Union speech on Feb. 4.