The“Family Feud” contestant who was convicted of his ex-wife’s murder after he trashed his marriage on the popular game show is still defending a tasteless joke he made on the program about regretting saying “I do.” Timothy Bliefnick, 40, addressed the infamous quip in his first interview since he was sentenced in August to life in prison for the gruesome murder of his wife, Rebecca “Beck” Postle Bliefnick, whom he shot 14 times. “It wasn’t said with any malice or bad intentions. It was supposed to be funny,” he told Erin Moriarty of “48 Hours” in an upcoming episode, which...