Wednesday's topics: Rudy Giuliani's possible presidential bid, the Al Jazeera English news channel's debut and the Justice Department's contention that immigrants suspected of terrorism may be imprisoned indefinitely.
Guests: Hofstra University journalism professor E.R Shipp; John McWhorter, Manhattan Institute senior fellow in public policy, and Nat Irvin, professor at the Babcock Graduate School of Management of Wake Forest University.
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