A Jew was walking on Regent Street in London and stopped in to a posh gourmet food shop. An impressive salesperson in morning coat with tails approached him and politely asked, ""May I help you, Sir?"" ""Yes,"" replied the customer, ""I would like to buy a pound of lox."" ""No. No,"" responded the dignified salesperson, ""You mean smoked salmon."" ""Okay, a pound of smoked salmon."" ""Anything else?"" ""Yes, a dozen blintzes."" ""No. No. You mean crepes."" ""Okay, a dozen crepes."" ""Anything el…