Elena Shao at NYT:
The sudden death of Senator Lindsey Graham, the 71-year-old Republican of South Carolina, has renewed criticism of an increasingly aging Congress and the systems and norms that continue to reward seniority and tenure.
More than a third of U.S. senators are 70 or older. In the Senate and the House, that age cohort has grown markedly over the past few decades, and now makes up a quarter of membership across both chambers.
