Summary: Headlines for December 19, 2012; "We Have to Do Something": Rep. Carolyn McCarthy on the Growing Push for Gun Control After Newtown; Rep. Raúl Grijalva Rejects Obama "Fiscal Cliff" Plan to Cut More from Social Security than Military; Michael Moore's Poetic Plea to Obama: "Dear Mr. President, Please Let Leonard Peltier Come Home"; Exclusive: Leonard Peltier Speaks Out from Prison on Denial of Medical Care, Bid for Clemency
