John Bolton, Susan Rice to speak at Vanderbilt on Feb. 19

FILE - In this July 8, 2019, file photo, national security adviser John Bolton speaks at the Christians United for Israel's annual summit, in Washington. A single paper copy in a nondescript envelope arrived at the White House on Dec. 30. Four weeks later, news of John Bolton’s book manuscript about his time as President Donald Trump’s national security adviser has exploded into public view, sending a jolt through the president’s impeachment trial. (AP Photo/Patrick Semansky, File)

Former national security adviser John Bolton is slated to speak at Tennessee’s Vanderbilt University later this month alongside another former national security adviser, Susan Rice. Bolton’s appearance on Feb. 19 comes after the U.S. Senate declined to subpoena Bolton to testify during President Donald Trump’s impeachment trial. That trial ended in Trump’s acquittal this week. Bolton served as national security adviser to Trump and was U.S. ambassador to the United Nations under President George W. Bush. Bolton has a book scheduled for release in March and details from the book’s manuscript have roiled Washington.