Sony said Tuesday its new video game console, the PlayStation 3, does not run about 200 PlayStation and PlayStation 2 software titles properly, the latest problem the electronics maker has run into in its cash-cow game business.The PS3, which Sony (Charts) calls its most important strategic product of the year, went on sale in Japan on Saturday, setting the stage for a three-way showdown with Microsoft's (Charts) already available Xbox 360 and Nintendo's Wii.Sony said audio features do not work on some software titles when played on the PS3, which is supposed to be compatible with games designed for its previous models, while some other titles do not work on the latest machine at all. more....