-He worked as a civil rights attorney and taught constitutional law at the University of Chicago Law School from 1992 to 2004.He served three terms representing the 13th District in the Illinois Senate from 1997 to 2004,running unsuccessfully for the United States 0▪He worked as a civil rights attorney and taught constitutional law at the University of Chicago Law School from 1992 to 2004. He served three terms representing the 13th District in the Illinois Senate from 1997 to 2004, running unsuccessfully for the United States