Former President Trump remains popular with Republican voters as he considers running for reelection in 2024. This year, however, his endorsements heading into the midterm election cycle have had a mixed record.

Just over a year after Trump left office, voters and historians alike are taking stock of the 45th president's time in the White House. That includes a new book called "The Presidency of Donald J. Trump: A First Historical Assessment."

Here & Now's Anthony Brooks speaks with Julian Zelizer, author and professor of history at Princeton University.