Oxford High School let Ethan Crumbley back into a classroom despite concerns about his behavior. Now, legal experts are asking why. Plus, threats of violence force dozens of schools to close, while others remain open. Who is ultimately responsible to keep students safe? And are new gun laws necessary to prevent future tragedies inside Michigan schools, or do the tools already exist? Charlie Langton's Guests: Dr. R.J. Webber, Assistant Superintendent Novi Schools; Amy Conway, Superintendent Gibraltar Schools; Ven Johnson, Attorney; Bill Kucyk, Owner, Action Impact Firearm Range.