President Obama’s pledge to shut Guantánamo Bay appeared beset by confusion last night with the emergence of conflicting plans over how to close the prison. Under one leaked proposal the Administration is considering a transfer of all 229 detainees to a single complex on the US mainland. Officials said two sites being looked at for such a military-civilian prison, where terror suspects would be tried, were the military jail at Fort Leavenworth, Kansas, and a soon-to-be-closed maximum security facility in Standish, Michigan. However, officials at the US Justice Department said last night that dozens of detainees had been referred to...