A political columnist and campaign surrogate for President Donald Trump has sued The Daily Beast for libel after a Sept. 13 article questioned her professional credentials, she alleged in a complaint filed last week.

In a report tied to the release of Gina Loudon’s latest book, “Mad Politics: Keeping Your Sanity in a World Gone Crazy,” Daily Beast senior reporter Tanya Basu wrote that the book falsely described Loudon “as having a doctorate in psychology.”