NBC News correspondent Jim Cummins is retiring today.

"He's the definition of a field correspondent -- he has covered every story more than once, and has been the central man in our Dallas bureau for as long as I can remember," Brian Williams writes. "As I said on our inter-office conference call this morning, he has taught a slew of rookies around here, both in terms of direct mentoring and indirect osmosis. He has been a staple and unshakable presence on network television news, and we will always consider ourselves members of Jim's home team."

Cummins joined NBC in 1978. Here's his bio...