it 's available to 58 million u.s. households , representing 98 percent of cable homes and 60 percent of television homes , according to documents filed with the securities and exchange commission by turner broadcasting system inc. ; only espn , with 59 million households , cnn , which has 59 million households and is also owned by turner broadcasting , and usa , with 58 million households , have greater potential viewership , according to the cable tv association . ;