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.
From Vietnam to Syria, John Kerry's career has a long history of tackling issues of war, and his latest effort may have the longest lasting mark on his legacy. CNN's Jim Sciutto reports.
CNN's Tom Foreman explains why many Arab nations won't get involved in the conflict in Syria even though they support intervention by the international community.
A new video obtained by the New York Times allegedly shows rebel fighters brutally executing Syria soldiers. CNN's Chris Lawrence reports on the debate over who the rebels are.
British Prime Minister David Cameron says there is even more evidence Syria's al-Assad regime used sarin in a chemical attack on its people. CNN's Atika Shubert reports.
The National Zoo had a paternity test on its new panda cub. CNN's Jeanne Moos reveals who the papa is and explains his procreation problem.
Guest anchor Jessica Yellin interviews New York Republican Rep. Michael Grimm and asks him to explain why he's no longer supporting President Obama's plan in Syria.
Wolf Blitzer presses Pres. Obama's deputy national security adviser Tony Blinken for answers on Syria.