I saw something amazing on TV tonight. No, not the X-Factor with only 2 judges, and no, not the Batchelor with a bunch of simpering blondes preening over a well packed 6 pack. And, sadly, no, not a repeat of Casanova on Prime, supposedly set in Venice but actually set in Dubrovnik (the giveaway: how many hills do you have to climb in Venice?!) although that…