This week on Highway to Hill: Congress seems like it’s getting older by the hour, and some health and age issues from some high-profile members is giving us a fresh opportunity to talk about the age-old question: why is Congress so old? We’ll get into the polisci of why it’s so hard for young people to get elected; and with more than a few members serving well into their 80s and 90s, is it time to consider some age-related reforms?