By Tara Suter, The Hill
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By Shane Goldmacher, The New York Times
By Chris Potter, WESA
By Andy Sheehan, KDKA-TV
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By Tom Riese, WESA
By Chris Deluzio, The New York Times
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By Charlotte Alter, Time Magazine
Read the full interview here
By Tawnya Panizzi, Pittsburgh Tribune-Review
By Sheldon Ingram, WTAE-TV
By Steve Mellon, Pittsburgh Union Progress