(2008-05-22) SANTA MONICA, Calif., BUSINESS WIRE — When the house lights go down this fall, a new generation of axe shredders, drummers and fearless frontmen will come together and rock with Activision, Inc.'s (Nasdaq: ATVI) Guitar Hero(R) World Tour. The latest installment from the #1 best-selling video game franchise of 2007, Guitar Hero World Tour will transform music gaming by marrying Guitar Hero's(R) exhilarating guitar gameplay, with a co.....