BILL WALSH is a copy editor at The Washington Post, where he has worked since 1997. He is a regular presenter at the annual conferences of the American Copy Editors Society. He is the author of Lap...view moreBILL WALSH is a copy editor at The Washington Post, where he has worked since 1997. He is a regular presenter at the annual conferences of the American Copy Editors Society. He is the author of Lapsing Into a Comma and The Elephants of Style.view less