Paul Kane @pkcapitol
Hadn’t looked at this list in a while so I didn’t realize @ChuckGrassley is on verge of Top 10. @SenatorLeahy needs another 6 1/2 years to pass Byrd for No 1. — PolitiTweet.org
U.S. Senate History @SenateHistory
Who are the top 25 longest-serving senators? Hint: two are currently serving! https://t.co/UYYYDWuqU7