Nightly News   |  March 07, 2013

Sen. Carl Levin to retire

Michigan Sen. Carl Levin has announced he will not seek re-election in 2014. NBC’s Brian Williams reports.

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This content comes from Closed Captioning that was broadcast along with this program.

>>> another big name is leaving the senate. carl levin , first elected in 1978 , will not run for re-election in 2014 . he's the longest-serving senator in michigan's history. chairman of armed services , he ranks fifth on the overall seniority list. carl levin is 78 years old.