Shipping in the Strait of Hormuz was at a near standstill early Sunday after Iran reversed its decision to reopen the waterway and fired on vessels attempting to pass, warning it would block transits as long as the US blockade of Iranian ports remained. Bloomberg News White House Correspondent Courtney Subramanian, Bloomberg Intelligence Senior Defense Research Analyst Colonel Wayne Sanders and The Associated Press' International Correspondent Philip Crowther join David Gura and Christina