Clement J. Zablocki
Clement John Zablocki was an American politician who served nearly 35 years in the United States House of Representatives, representing the heavily Polish American south side of Milwaukee, Wisconsin. A liberal Democrat, he built his reputation in foreign policy, taking strong anti-Communist positions and supporting the Vietnam War and rose to become Chairman of the House Foreign Affairs Committee for the last six years of his career. Wikipedia*
On the C-SPAN Networks:
Clement J. Zablocki has one video in the C-SPAN Video Library; the first appearance was a 1983 House Highlight.