After decades of ignoring his dance club roots, Ministry’s Al Jourgensen relented on his early material at the Vegas Cruel World festival last year and delivered a set of music celebrating his earliest cuts in what was described by attendees as one of the highlights of the festival. In the wake of that performance, Uncle Al took some of those early Ministry tracks back into the studio and reworked them into a compilation called The Squirrely Years (recently released on Cleopatra Records) and then booked a run of live dates…