White House Chief of Staff Denis McDonough on Sunday vowed that President Obama will close the Guantanamo Bay detainee facility before his presidency ends in 11 months. "He feels an obligation to his successor to close that, and that's why we're going to do it," McDonough said on "Fox News Sunday." "Sure we are." However, McDonough declined to answer whether Obama would use his White House powers to sidestep Congress and close the facility. "The president just said he's going to present a plan to Congress and work with Congress and then we'll make some final determination," McDonough said. Obama...