Iran appears to be in the process of "blinking" over the Strait of Hormuz, according to ex-CIA director David Petraeus. Speaking to CNBC's Lisa Kim at the UBS Asian Investment Conference, Petraeus, chairman of the KKR Global Institute, said that an initial successful peace deal with Tehran would see the Strait opened without any conditions. Iran also must not be able to control traffic, charge tolls through it, or make threats of future closure, and "it appears that that may be in the offing,"