New limits are being imposed on media access to the detention center at the U.S. base at Guantanamo Bay, Cuba, the commander of the military's Southern Command said Thursday, outlining rules that will limit what journalists can see and how often they can visit the already highly restricted site. Journalists will be allowed to visit the center on tours that will be organized once per quarter, lasting no more than a day, and they will no longer be able to visit inside the two detention center camps where a majority of the 107 current prisoners are held, Marine Corps Gen....