President Barack Obama defended his decision to close the Guantanamo prison camp Thursday and pledged to work with Congress to develop a system for imprisoning detainees who may need to come to the U.S. if they can't be tried or…

In his second full day in office, President Barack Obama signed a series of executive orders Thursday morning to close the Guantanamo detention center within a year, ban the harshest interrogation methods and review military war crimes trials.