Retired tennis hottie Anna Kournikova probably wished she’d bitten her tongue after she yelled at a Miami Beach surfer and his sunbathing puppy, “That dog should be on a [bleep]ing leash!” The surfer snapped back, “Maybe you should be on a [bleep]ing leash!” Our source reports, “All the surfers and bystanders applauded and barked at Anna.” Embarrassed, Kournikova walked around the corner, but “reappeared minutes later with three girlfriends who just stood there scowling.” Kournikova’s rep did not return calls. ...