Wolf Blitzer delivers the most important breaking news and political, international, and national security stories of the day. Tune to The Situation Room weekdays 5-6:30pm ET on CNN.
CNN's Dan Simon reports on escalating fears about the vulnerability of the nation's power grid after a group of snipers attacked a plant in San Jose, California - and never got caught.
The Taliban in Afghanistan has released video of a captive canine they claim is a U.S. military dog.
The U.S. reaction to a potential terror attack in Sochi would be quick and multi-faceted, but it could be hampered by Russian forces standing in the way. CNN's Barbara Starr reports.
Republicans are building fake Democratic Congressional candidate websites to spread the GOP's message and get unknowing donors to send them money. CNN's Drew Griffin investigates.
The U.S.'s top diplomat to Europe Victoria Nuland was recorded in a phone conversation using some blunt language towards the European Union. CNN's Elise Labott on what she said and how it was leaked.
CNN's Brian Todd has an exclusive look at how much damage toothpaste tube bombs - a potential threat at the Sochi Winter Olympics - can leave behind.
CVS, the national chain of drug stores, surprised many by banning the sale of tobacco products, starting October 1. CNN's Brian Todd investigates what is behind the the decision.
Governor Mitt Romney tells CNN's Wolf Blitzer that he has no intention of running for President in 2016.
RELATED: Mitt Romney on security at Sochi Winter Olympics.