‘Avatar’ unstoppable at box office
Avatar earned an additional $36 million this weekend, climbing to $552.8 million domestically and surpassing “The Dark Knight’s” $533.3 million domestic haul. If it continues to drop in the 20-percent range as it has the last few weekends this time it only fell 16 percent it’s on track to is top Titanic’s $600.8 million by…