Our last post left us going through an unassuming unmarked doorway in amongst the restaurants of Bologna’s Quadrilatero district and entering a parlour full of evocative old photographs. Many show the famous faces of previous visitors to this strange little room: here Mohammad Ali’s autographed golden boxing glove, there Richard Nixon, then Tony Bennett, even a laughing Marilyn Monroe. This is Bologna’s oldest inn, the Osteria del Sole, where the wine has flowed since 1465 and been quaffed not only by the glitterati but also by the learned intellectuals from the university, students and professors alike. Yet the joy of “del Sole” is as much about its custom as its…