WASHINGTON, (AP) -- A bipartisan group of 39 former prosecutors told Congress on Monday that detainees at Guantanamo Bay should be granted access to U.S. courts. "If the men at Guantanamo are not provided these rights, a cloud will always remain over the validity of their detention," the prosecutors said in a letter to Congress. Only 10 of an estimated 385 men held at the prison in Cuba have been charged with war crimes, and there are plans to charge 14 more transferred there from CIA prisons last year. "That leaves approximately 360 men who may never be brought before...