https://archive.is/IHlbF >President Barack Obama grew emotional Tuesday as he made a passionate call for a national "sense of urgency" to limit gun violence. >He was introduced by Mark Barden, whose son Daniel was killed in the 2012 massacre at Sandy Hook Elementary School in Connecticut. Obama circled back to that shooting in the final moments of his speech. >"Every time I think about those kids, it gets me mad," Obama said, pausing to wipe away tears.
