When he lost , Chicago machine officials persuaded Finnegan , who had succeeded Yates after his former district was merged with the 9th , to hand the seat back to Yates .
Yates gave up the seat in 1962 to run for United States Senate .
When Yates lost , Chicago machine officials persuaded Finnegan , who had succeeded Yates after Yates ' former district was merged with the 9th , to hand the seat back Yates Yates .
Yates gave up the seat in 1962 to run for United States Senate .