Why U.S.-Iran tensions could quickly escalate into a crisis

Three years ago, when Iran's military captured 10 U.S. sailors after they mistakenly strayed into Iranian waters, U.S. Secretary of State John Kerry and Iranian Foreign Minister Mohammad Javad Zarif jumped on the phone in minutes and worked out the sailors' release in hours.

from Reuters: Top News https://reut.rs/2WmXb1e