Terrorism in Yemen
"I think there's a very great concern," said Army Gen. Joseph Votel.
U.S. officials are concerned about a confrontation with Saudi Arabia.
Ashton Carter said AQAP poses a “serious” threat to the U.S.
“We announce solidarity with our Muslim brothers in Iraq," the al Qaeda offshoot said.
The White House insists it has been clear on warning Iran.
Khamenei called the airstrike campaign a "genocide" against Yemeni civilians.
State Department wants info on location of Al Qaeda in the Arabian Peninsula's leaders.
Officials want to publicly defend the strikes, saying U.S. secrecy only helps al Qaeda.