A dozen interviews with ISIS extremists and a review of their social media networks by Foreign Affairs magazine found that it has a strong preference.
The request comes as the protests entered a new and more chaotic phase. On Saturday, 127 protesters were arrested on suspicion of criminal trespassing.
Lawmakers said the opposition-led congress is in open rebellion after it voted that blocking a recall vote constituted a coup by the government.
A tour bus crashed into the back of a truck on I-10 in Palm Springs. In addition to 13 deaths, at least 31 other people were injured, officials said.
The deputy saw what looked like a cloud of fog, turned around and found a smoking Honda Civic that had driven off the road.