robert: by friday, president trumped sign a spendingackage, expanding coffers. we explain what's inside the two-year deal. plus, damage control. the white house chief of staff under scrutiny for his handling of abuse allegations against former top aide rob porter. the time line raises questions about who else was aware of porter's past and trouble with his security clearance. the president weighs in sing he's very sad about the departure. >> w well,e wish him well. he worked very hard as you prob hably kno says he's innocent. and i think you have to remember that.be : and a market ce rection. thdow dropped more than 1,000 points not once, but twice. what's driving market turmoil? we'll get highlights from kristen welker of nbc news. peterer b of the new york times. and kelsey snell of npr. >> this is "washington week." funding is provide by -- >> their leadership is insince the active -- instinctive. they research the technologies of tomorrow. some call them veterans. we call themart ofur team. >> on a cruise with american cruise lines travelers experience the m