Mitt Romney: US foreign policy 'must change course'
Republican US presidential candidate Mitt Romney has called for a "change of course" in the Middle East, criticising President Obama on foreign policy.
Speaking in Virginia, he lambasted the White House over an attack in Libya that killed the US ambassador.
He said he would put Iran "on notice" over its nuclear plans, and called for arms to go to Syrian rebels.
Kim Ghattas reports from Washington.