Less than a week after Canadian tourists were allegedly overcharged nearly $600 by Greece’s notorious DK Oyster, the restaurant is going viral for yet another incident of alleged epicurean extortion. This time, the Mykonos-based eatery allegedly charged a US couple a wallet-sapping $510 for a dozen oysters and four drinks. “My husband was like, ‘There’s got to be a mistake,'” New Jersey lawyer Theodora McCormick, 50, told the Sun of the alleged “weird experience,” which occurred last month while she and her husband were vacationing on the Mediterranean island. Unfortunately, their idyllic seaside getaway went south after they stopped by...