Nation

Pennsylvania primary

FootballSportsBarack ObamaPittsburgh SteelersDan Rooney
In Pittsburgh, Steelers' owner Dan Rooney, left, accompanied Barack Obama and his wife, Michelle, visiting patrons of Pamela's P&G Diner on Tuesday. Later Obama told reporters: "We closed a big gap. We were down 20. This is always an uphill climb but what we feel is we've made significant... Scott Olson / Getty Images
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