Jon Stewart, seen here in March, appeared on The O'Reilly Factor last night to debate the matter of the rapper Common. Dimitrios Kambouris/Getty Images hide caption

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The cast of Fox's new series Alcatraz, including Jason Butler Harner, Jonny Coyne, Jorge Garcia, Sarah Jones, Sam Neill, Santiago Cabrera, Parminder Nagra and Robert Forster, are among the attractions at Fox's upfront presentations, which happen today. Kharen Hill/Fox hide caption

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