US Secretary of State John Kerry begins the sales push of his life this week as he tries to stop Congress from wrecking what supporters hail as his crowning diplomatic achievement.
America's top diplomat is expected to defend the Iran deal before both the House and Senate foreign affairs panels, although neither hearing has been publicly notified yet. Expect him to be flanked by Treasury Secretary Jack Lew and Energy Secretary Ernest Moniz, who has emerged as one of the most trusted administration sources on Capitol Hill, to provide the details.
