Tonight... Get on On the Record with Greta for a special editon of our broadcast!

How prepared is our nation for a biological weapons attack? What would a mass smallpox outbreak mean for our country?

As we head towards a possible war with Iraq, On the Record goes takes an in-depth look at this frightening scenario.

Plus, in an historic vote, the United Nations Security Council unanimously approves the Iraq resolution and President Bush says the United States and other nations will disarm the Iraqi regime if Saddam fails to comply. We'll have the latest reaction from at home and overseas live for you tonight.

Also, her mother may have been yet another one of the Beltway snipers' victims. Cheryl Witz goes on the record this evening.

Don't miss this very important edition of On the Record with Greta Van Susteren  tonight at 10 p.m. ET!