If you live in Los Angeles or know anything about punk rock circa 1977 then you know about X. If you don't, Perry Farrell will tell you in the clip on the right. Farrell introduced X last month at SXSW, headliners of Spin's day party at Stubb's BBQ. The place was only two-thirds full after a mass exodus of sweater vests following a short set by Vampire Weekend. But all four original members of......