Senior Administration Official Says Iran Deal Accomplishes Core U.S. Objectives; Iran Deal Reopens Strait Of Hormuz; U.S. To Get Enriched Material Under Iran Deal; Iran Deal Guarantees Long-Term Peace In Region; Iran Deal Includes Inspection Regime; If Iran Complies Will Be Rewarded Economically; Benefits For Iran Accrue If They Actually Deliver; U.S. Expects To Sign Agreement Over Next Few Days