Although Led Zep’s first impressions on the already famous O2 gig, Robert Plant made an announcement that shocked and saddened rockers from all over the world: Led Zep will not tour! But… things are not nailed! Cause according to bassist Duff McKagan, Velvet Revolver are the number one choice to open for Led Zeppelin, if the band announce a world tour. Wait a sec! They haven’t confirmed anything official! Here’s what the man has to…