Bill Wolff, executive producer of the Rachel Maddow Show, shares a preview of Tuesday’s show – we’ll take a look at the current status of gun-related laws across the country. Plus, an update on what is going on in Colorado after the storm last week, and Captain Mark Kelly, co-founder of “Americans for Responsible Solutions” and husband of former Rep. Gabby Giffords, is on the show tonight.Sept. 17, 2013