Star Wars Scribe Gary Whitta Pitches Mark Ruffalo To Star In Columbo Via Twitter Michael Lee, July 16, 2014July 17, 2014 Twitter is no stranger to fan casting campaigns. Many of them tweet out their dream castings in hopes that their favorite actor or actress gets cast for the perfect role. Let’s be honest, rarely do these campaigns work and most of the time they don’t. And even though it is…