United States Senate · Public domain

A Maryland lawyer who spent 58 years in elected office without ever losing an election, rising from the Maryland House of Delegates, where he served as speaker, through the U.S. House and into the Senate seat once held by Paul Sarbanes. He served in the Senate from 2007 until his retirement in 2025, becoming Maryland's senior senator, a rare career of sustained, uninterrupted electoral success across nearly six decades in public life.