Following his executive actions this week, President Obama will participate in what CNN is calling a "town hall" style discussion about gun control at George Mason University tomorrow night. The one hour show will be hosted by CNN anchor Anderson Cooper and airs live at 8 p.m eastern. But according to a memo sent to faculty and students by GMU Communications and Marketing Vice President Renell Wynn earlier this week, participation in the town hall is by invite only. There are no tickets available to people who are not specifically invited to the event. "This is an invitation-only event. No...