9/3: President's Syria plan gets Boehner's support, but still faces doubts; Photos honor builders of new SF-Oakland Bay Bridge

      |Defense Secretary Chuck Hagel and Secretary of State John Kerry appeared at a hearing on Capitol Hill to convince Congress to take military action in Syria; and, all too often, history forgets the men and women who build America's great structures. John Blackstone reports on one man determined not to let that happen to the workers who constructed the new San Francisco-Oakland Bay Bridge.

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