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More trouble for the Bush administration surfaces. Did Lewis Libby learn the identity of undercover CIA operative Valerie Plame (search) from his boss — Vice President Dick Cheney? FOX's Catherine Herridge is live in Washington with the details.

Then, it's not illegal for Cheney or Libby to know the names of undercover agents. The question is: Did they lie about it under oath? It's up to prosecutor Patrick Fitzgerald (search) to decide that. So how likely is it he'll bring charges against Vice President Dick Cheney? We'll get legal insight from Judge Andrew Napolitano, FOX News' senior judicial analyst.

Real journalism: fair and balanced. That's why we're No. 1 — FOX News Channel.

About the Show

Veteran newscaster John Gibson gets to the core of the most salient issues facing America today as host of FNC's hard-hitting primetime show "The Big Story with John Gibson."

Airing Monday through Friday at 5 p.m. ET, "The Big Story" gives you expert legal analysis from Judge Andrew Napolitano.

"The Big Story with John Gibson" is one of the reasons that FOX News Channel is the most watched news network in daytime.

Note: All guests and topics subject to change