Wolf Blitzer delivers the most important breaking news and political, international, and national security stories of the day. Tune to The Situation Room weekdays 5-7pm ET on CNN.
Brian Todd gets inside access to a facility where an Ebola vaccine is being tested, but will it be out fast enough?
Brian: I'd be curious to know the origins of the two vaccines you reported on. Walter Read is only involved in the testing, is it not?