The biggest problem with the Obama administration's announcement that it's considering modifying the Miranda warning for terrorists is not constitutional. It's a national security objection: They're tinkering with the wrong part of the interrogation process. The good news, however, is the underlying sentiment that the White House wants to strengthen U.S. interrogation efforts, because something does need fixing. The cases of top al Qaeda terrorists Nasser al-Bahri and Abd al-Rahim al-Nashiri are instructive in considering what changes are actually needed.
Al-Bahri (aka "Abu Jandal"--"father of death") was Bin Laden's chief bodyguard. He was interrogated by FBI Special Agent Ali Soufan and NCIS Special Agent Robert McFadden only days after 9/11. Abu Jandal identified the 9/11 hijackers and gave extensive information on al Qaeda's leaders, operatives, weapons, hideouts and communication systems. The information was invaluable not only for identifying those responsible for 9/11, but also to our military for the invasion of Afghanistan, and to this day it is used in interrogating and tracking other al Qaeda operatives. Abu Jandal was advised of the Miranda warning daily.