Celebrity Politicians by FlaxmanR

Question 3

He served just three years in Congress before his death – after which his seat was filled by his wife Mary, who went on to serve seven more terms before losing reelection in 2012. What California Republican had also previously been mayor of Palm Springs, and is believed to be the only member of Congress ever to have had a #1 hit single (albeit three decades before he was elected)?

Sonny BONO