Nation: RALPH ABERNATHY: OUT OF THE SHADOW

Who is our leader?" shouts the crowd at Resurrection City. "Ab-er-nath-y," comes the chanted rejoinder. All across the country, as he seeks to raise funds and fervor for his Poor People's Campaign in Wash ington, Ralph David Abernathy, 42, hears the same cry. Less than two months after the murder of Dr. Martin Luther King Jr., the new president of the Southern. Christian Leadership Conference is doing his best to dispel doubts about S.C.L.C.'s ability to carry on. "You can kill the dreamer," he repeatedly tells audiences, "but you can't kill the dream."...