Although the indictment against Donald Trump doesn’t cite the Presidential Records Act, the charges are predicated on the law. The indictment came about only because the government thought Mr. Trump took records that didn’t belong to him, and the government raided his house to find any such records.

This should never have happened. The Presidential Records Act allows the president to decide what records to return and what records to keep at the end of his presidency. And the National Archives and Records Administration can’t do anything about it. I know because I’m the lawyer who lost the “Clinton sock drawer” case.

In 2009, historian Taylor Branch published “The Clinton Tapes: Wrestling History With the President.” The book is based on recordings of Mr. Branch’s 79 meetings with Bill Clinton between Jan. 20, 1993, and Jan. 20, 2001. According to Mr. Branch, the audiotapes preserved not only Mr. Clinton’s thoughts on issues he faced while president, but also some actual events, such as phone conversations. Among them: