Adrian Walker Boston Globe columnist Adrian Walker has been promoted to associate editor, according to an email sent to the staff by editor Brian McGrory, managing editor Jennifer Peter and managing editor for digital Jason Tuohey. I obtained a copy of the email from a trusted source a little while ago. Walker, a longtime state and local government reporter and editor, has been a columnist since 1998, when the Globe’s star metro columnists, Mike Barnicle and Patricia Smith, were forced out after they were caught fabricating and, in Barnicle’s case, plagiarizing as well. (McGrory himself w...