paris unite state congress decision iran nuclear deal could clarify washington stance international accord lead positive outcome total totf.pa plan billion iranian gas project ceo say wednesday congress two months decide whether reinstate sanction iran u.s. president donald trump last week refuse formally certify tehran comply nuclear agreement hail predecessor barack obama key stop iran build nuclear weapons deal also sign china france russia britain germany european union total first western oil major sign deal iran develop phase 11 iran south par world large gas field decision reinstate sanction iran could jeopardize project pouyanne say total would withdraw iran oblige law ongoing process unite state congress make decision good process go clarification position unite state pouyanne tell journalists sideline oil conference paris know perhaps could clarification would positive think majority u.s. senate want abolish deal congress clarification iran nuclear deal could positive total ceo