Iran was laying mines in the Strait of Hormuz while Donald Trump declared he was thinking of taking it over.At least two people familiar with U.S. intelligence told CNN Tuesday that Iran began laying mines in recent days, but noted that the operation is still in an early phase. They estimated that Iran has so far only laid a few dozen mines and still retains upward of 80 to 90 percent of its mine-layers, allowing for potentially hundreds of more mine placements within the bottleneck waterway, re...