The real reason Congress keeps getting older

Sen. Lindsey Graham speaks during a news conference at the US Capitol in 2021. | Alex Wong/Getty Images This story appeared in Today, Explained, a daily newsletter that helps you understand the most compelling news and stories of the day. Subscribe here. Hi, friends, and good afternoon — I’m delighted to be coming to you, for the very first time, at this far more civilized and adequately caffeinated hour.  As I previewed here on Friday, Today, Explained has undergone a little makeover: We’re…