A Texas mattress company that was condemned for airing a commercial promoting its “Twin Tower Sale” will be “closed indefinitely,” its owner said Friday. Miracle Mattress promised to “be silent” through Sunday’s 9/11 anniversary and reiterated its apology to people offended by its commercial that featured a pair of employees toppling two towers of mattresses, according to a statement issued by the company’s owner, Mike Bonanno. “We take full responsibility for our actions and sincerely regret the hurt and pain caused by this disrespectful advertising campaign,” Bonanno said. The 20-second commercial shows three employees enthusiastically offering any size mattress for...