50+ years olds? <a href="http://www.slate.com/articles/news_and_politics/explainer/2013/01/average_age_of_members_of_u_s_congress_are_our_senators_and_represent

50+ years olds? <a href="http://www.slate.com/articles/news_and_politics/explainer/2013/01/average_age_of_members_of_u_s_congress_are_our_senators_and_representatives.html">Try http://www.slate.com/articles/news_and_politics/explainer/20... 60+ year olds</a>, with a turnover rate that is unfavorably compared to the old Soviet Politburo.