As Congress prepares to return to Washington next week, Senators Chris Murphy and Richard Blumenthal along with Representatives Elizabeth Esty and Rosa DeLauro are hoping their colleagues will take action to protect schools from gun violence.  The 4 are meeting today with Ridgefield High School sophomore Lane Murdock, who helped start the National School Walkout movement, and Sandy Hook Promise Founder Mark Barden, whose son Daniel was killed on 12-14.