AvatarMumtaz KhanmumtazAvatarAvatarFirst Amendment Protects 'Instapundit' Professor But He May Quit Twitter AnywayForbes - Maureen Sullivan“Instapundit” blogger Glenn Reynolds, a professor at the University of Tennessee College of Law, is reconsidering his prominent role on Twitter after coming under fire for a tweet during the riots in Charlotte, N.C., following a police shooting earlier this month. The university decided not to take …