The Senate minority leader freezing on camera; California’s senior senator dying in office at age 90: This year has served up a number of reminders that America’s elected leaders are now – on average – far older than the constituents they serve. It’s a trend that has led progressive advocate Amanda Litman to say the U.S. has become a gerontocracy. She joins It’s All Political on Fifth & Mission Host Joe Garofoli to discuss the graying of the country’s political class and why she’s working to get more young people into office. | Unlimited Chronicle access: sfchronicle.com/podGot a tip, comment, question? Email us: [email protected] more about your ad choices. Visit megaphone.fm/adchoices