WASHINGTON — Congressional Black Caucus Reps. George W. Collins (left), D-Illinois, Ronald V. Dellums, D-California, Shirley Chisholm, D-New York, William L. Clay Sr., D-Missouri, and Charles C. Diggs Jr., D-Michigan, convene a hearing in May 1971. (Photo Courtesy: Warren K. Leffler/U.S. News & World Report Magazine Photograph Collection at Library of Congress)