Barack Obama scolded a reporter at his Wednesday briefing after getting a critical question about the nuclear deal with Iran. CBS News's Major Garrett pressed the president on the imprisonment of Americans in Iran. "As you well know, there are four Americans in Iran—three held on trumped-up charges, according to your administration, one whereabouts unknown. Can you tell the country, sir, why you are content, with all the fanfare around this deal, to leave the conscience of this nation, this strength of this nation, unaccounted for in relation to these four Americans?" Garrett asked. "I've gotta give you credit, Major,...