Two former Guantanamo Bay inmates have joined the ranks of al-Qaida in Yemen, according to a video released by the terrorist group on Friday. President Obama has signed an executive order calling for the detention center to be closed within a year. Will this development make that more difficult? For more on this troubling situation we turn to terrorism analyst Gregory Johnsen from the Jamestown Foundation in Princeton, N.J. and Robert Worth, the New York Times correspondent based in Beirut.