LOS ANGELES( Reuters)- Sony Corp threw down the gauntlet to handheld video game leader Nintendo Co Ltd on Tuesday, unveiling its new PlayStation Portable( PSP) with far-reaching multimedia capabilities.

• 洛杉矶（透社）索尼公司于周二揭开了其具有强大多媒体功能的最新手持游戏机的面纱，发起了对任天堂在手持视频游戏界的领头羊地位的挑战。