U.S. not backing down from air strikes in Iraq

WASHINGTON, D.C. (NEWSCHANNEL 3) - U.S. officials say a chilling and gruesome video released online showing the execution of kidnapped American journalist James Foley is authentic.

Militants say the execution is in retaliation for U.S. air strikes in Iraq, but the U.S. is not backing down.

Craig Boswell has more from Washington.