Jabin Botsford/The Washington Post via Getty Images Anita Dunn, a top Biden advisor, said the pandemic was the "best thing that ever happened to him." The private remark was reported on in the first book about the 2020 election, released this week. The book, written by two political reporters, argues that Biden got lucky on the campaign trail. A top advisor to President Joe Biden privately said the coronavirus pandemic was "the best thing to have ever happened to him" on the campaign trail because it covered up his failures, according to a new book released Tuesday. The advisor in question is former Obama White House communications chief Anita Dunn, one of the best known Democratic operatives in Washington and is now acting as a senior advisor to Biden.