Iran, in an unusual arrangement, will be allowed to use its own experts to inspect a site it allegedly used to develop nuclear arms under a secret agreement with the U.N. agency that normally carries out such work, according to a document seen by The Associated Press. The revelation is sure to roil American and Israeli critics of the main Iran deal signed by the U.S., Iran and five world powers in July. Those critics have complained that the deal is built on trust of the Iranians, a claim the U.S. has denied. The investigation of the Parchin nuclear site...