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The Boston Globe

Politics

Cowan sworn in as interim senator

WASHINGTON – William “Mo” Cowan was sworn in as the interim senator from Massachusetts on Thursday, taking the oath of office from Vice President Joe Biden after being escorted by Massachusetts Senator Elizabeth Warren and the man Cowan replaced, Secretary of State John Kerry.

 Massachusetts Governor Deval Patrick tapped Cowan as a temporary replacement for Kerry’s seat last week after the 28-year Senate veteran was confirmed to head the State Department. Cowan took his oath on the Senate floor -- left hand on his grandmother’s Bible -- before moving to the old Senate chambers for a ceremonial swearing-in with his family.

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