D.C. Watch’s twice-weekly online newsletter The Mail has long been a source of news, opinion, and analysis on District politics. Since 1995, founders and main contributors Dorothy Brizill and Gary Imhoff have used the newsletter to root out government waste and take on political shenanigans, both left and right. And while much of The Mail’s content spawns response after response, one recent non-political announcement has drawn some debate — should The Mail become a blog?