Stockholm, August 18: A waitress in Sweden thought her elderly customer was joking when he offered her his Porsche as a tip, but he kept his word and gave her the keys to the car, daily Aftonbladet reported on Thursday. “I thought at first he was joking with me,” 19-year-old Josefin Justin told the paper. Justin was waiting tables at the Njuraanger cafe in sundsvall in Central Sweden when the man, who had recently retired and was dining with a group of gentlemen, asked her age. When she told him, “he said I would get his Porsche as a tip”....