Washington Post columnists David Byler, E.J. Dionne Jr., James Downie, Christine Emba, Charles Lane, Ruth Marcus, Megan McArdle, Michele L. Norris, Henry Olsen, Alexandra Petri, Molly Roberts, Eugene Robinson, Alyssa Rosenberg and Karen Tumulty offered real-time commentary during the final presidential debate between President Trump and former vice president Joe Biden. Read a transcript of their conversation below.