William "Mo" Cowan poses with his family following a news conference at the Statehouse in Boston, Wednesday, Jan. 30, 2013, where he was named interim U.S. Senator for the seat vacated

 

              William "Mo" Cowan poses with his family following a news conference at the Statehouse in Boston, Wednesday, Jan. 30, 2013, where he was named interim U.S. Senator for the seat vacated
William "Mo" Cowan poses with his family following a news conference at the Statehouse in Boston, Wednesday, Jan. 30, 2013, where he was named interim U.S. Senator for the seat vacated with the resignation of U.S. Sen. John Kerry, D-Mass. who will become secretary of state. With Cowan are his wife Stacy, and sons Grant, left, and Miles. (AP Photo/Charles Krupa)