At least 20 people were killed and dozens more injured after a car bomb exploded Thursday at Yemen’s defense ministry in the capital of Sanaa.
The Texas chemistry teacher was killed while jogging near consulate.
The two are accused of battling U.S. forces in Afghanistan, plotting to bomb U.S. embassy.
Biden said he was "very direct about our firm position" with China's president.
A truck carrying “extremely dangerous” radioactive material was reported stolen in Mexico, according to nuclear watchdog International Atomic Energy Agency.
Mexico told the IAEA the truck was carrying cobalt-60 teletherapy from a Tijuana hospital to a radioactive waste storage unit. The material is used in medical treatments.
The White House is specifically targeting militant groups unaffiliated with al Qaeda's Iraqi cell and its Syrian offshoot, Jabhat al Nusra, which has taken on a significant role within the ranks of the Syrian rebels over the course of the 2.5-year war there.
Official approval of the pact by Afghan Defense Minister Bismillah Khan Mohammadi or other members of Karzai's cabinet could "fulfill the kind of commitment we need" to proceed with postwar planning and operations, Defense Secretary Chuck Hagel said Wednesday.
But "whatever document [Kabul] agrees to . . . who has the authority to sign on behalf of Afghanistan" and give the postwar pact the green light is still an open question, the Pentagon chief added.
"If a diplomatic solution is the responsible approach [in Syria], all parties involved are going to have to be represented in some way" in whatever deal is struck, Defense Secretary Chuck Hagel said Wednesday.
Any plausible peace plan to end the ongoing carnage in Syria "cannot be achieved by [limiting] ourselves to narrow strips of interest," Hagel told reporters at the Pentagon.
Retired Adm. James Stavridis, a former NATO Supreme Allied Commander; and retired head of Central Command Marine Corps Gen. Anthony Zinni were named the co-chairmen of the U.S. Global Leadership Coalition's National Security Advisory Council.
Joining nearly 150 former U.S. general and flag officers on the council, Stavridis and Zinni will lead the organization's efforts to link American military power to U.S. diplomacy to advance national security objectives around the world.
The NATO deal comes at a critial time for Northrop, who is looking toward international markets to offset the spending cuts at the Pentagon.