'Give it a go, Joe': Pittsburgh union crowd cheers on Biden

Vice President Joe Biden puts on a United Steelworkers hat before he spoke to a crowd before he joined in the annual Labor Day parade on Monday, Sept. 7, 2015, in Pittsburgh. (AP Photo/Keith Srakocic)PITTSBURGH (AP) — Hearing chants of “run Joe, run,” Vice President Joe Biden marched in Pittsburgh’s annual Labor Day parade on Monday as speculation swirled about a potential late entry into the Democratic presidential campaign.

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