It's not surprising to hear ex-Guns N' Roses bassist Duff McKagan used rock 'n' roll's "creative differences" remove himself from the new Jane's Addiction album. (Remember, he replaced Eric Avery in April.) More surprising: He's been replaced by TV On The Radio's Maximum Balloonist Dave Sitek, who's reportedly helping write some of the bass parts he'll play. Perry Farrell's official ...