Former British PM Tony Blair's personal reaction to ISIS hostage mentioning him by name in video.
Fmr British Prime Minister Tony Blair says President Obama is absolutely right to take on ISIS.
Former UK Prime Minister Tony Blair on British born citizens fighting with ISIS.
Fmr. UK PM Tony Blair says there will certainly need to be an effort on the ground to defeat ISIS.
American Generals Eaton and Dubik on whether ISIS has the ability to bring down American planes with anti-aircraft missiles.
White House Chief of Staff Denis McDonough says ISIS will do anything to strike terror and fear into its opponents.
White House Chief of Staff Denis McDonough on the fight against ISIS and efforts to build an international coalition.
Sen. Tom Harkin says the U.S. can't be responsible for settling "all of these problems around the globe."
S.E. Cupp says that Obama's foreign policy is to not be George W. Bush but he has not carved out a policy of his own.
Intelligence Chair Rep. Mike Rogers tells Candy Crowley that President Obama needs to have an endgame for ISIS.