 This is the WPR News at 9 o'clock Tuesdays. After nearly watching the former president lose his life, the head of the Secret Service has emerged to take responsibility for the weekend attack. Let's bring aboard ABC's Pierre Thomas. Washington lawmakers demanding answers, calling on the Secret Service director to appear before Congress. We will be transparent both internally with my own folks and externally with members of Congress and with the American public. That's what the public deserves.