The plan to hold lynchings and kangaroo "courts" at Guantanamo has been ruled unlawful by the US Supreme Court.
This is a major blow for the US President - and is the first time ever that the US Supreme Court has over-ruled a sitting President in "war-time".
http://news.bbc.co.uk/1/hi/world/americas/5129904.stm
The Court said that such tribunals violated US law, the US Constitution and also the Geneva Convention.