- Peter Bergen says an ISIS spokesman called for attacks during the holy month
- ISIS has been suffering reverses on the ground militarily
Peter Bergen is CNN's national security analyst, a vice president at New America and a professor of practice at Arizona State University. He is the author of the new book, "United States of Jihad: Investigating America's Homegrown Terrorists."
(CNN)In the past two weeks, ISIS has conducted lethal terrorist attacks in Bangladesh, Iraq, Jordan, Yemen, and also, very likely, in Saudi Arabia and Turkey.