Topics and Guests for December 21

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, with expert legal analysis from Judge Andrew Napolitano and in-depth reports from correspondent Heather Nauert.

Topics and Guests:

Mosul sees a steep climb in violence
• Retired Army Command Sergeant Major Steve Greer

Is Homeland Security doing enough to prepare and protect us?
• Former Colorado Sen. Gary Hart

Is it a big mistake to underestimate President Bush?
• Michael Feldman, former Gore adviser
• Former New York Sen. Al D'Amato

The husband of the woman accused of stealing a fetus says he knew nothing about the crime
• Judge Andrew Napolitano, FNC senior judicial analyst

British PM Tony Blair makes a surprise visit to Iraq
Gerard Baker, U.S. editor of The Times of London

What's wrong with keeping Christ in Christmas?
Charles Krauthammer, syndicated columnist

All of that... and more on The Big Story With John Gibson at 5 p.m. ET.

Note: All guests and topics subject to change