Andy Hamilton caught up with David Liebman between his masterclass and concert in Manchester with guitarist Phil Robson's group, featuring bassist Aidan O'Donnell and Liebman's old partner, drummer Jeff Williams. This was the conclusion of a brief UK tour which began with a two night residence at the Vortex in London. I met the saxophonist in the RNCM cafeteria, a throwback to British cuisine of the 60s. But we were not downcast - David was going to eat elsewhere later, and anyway was in