In his early paintings, one of which was recently installed in the White House, he took short phrases from such writers as Jean Genet, James Baldwin and Walt Whitman, and wrote them over and over on to canvases and cheap doors. ???I AM SOMEBODY,??? reads one painting, echoing the famous avowal by civil rights activist Jesse Jackson, ???I am a man.??? ???I FEEL MOST COLORED WHEN I AM THROWN AGAINST