Plot: 2012/03/26 Headlines: Supreme Court to Hear Healthcare Law Arguments; Jesse Jackson Describes Trayvon Martin as a "Martyr"; Obama: "If I Had a Son, He'd Look Like Trayvon"; Trayvon Martin Protester: End This War Against Black Men; Senegalese President Wade Defeated in Runoff Election; Afghan Soldier Reportedly Kills Two NATO Troops; U. S