For the third Friday in a row, three sequels claimed the Top Three spots at the box office. Mission: Impossible - Ghost Protocol extended its impressive run with another first place finish, while Sherlock Holmes: A Game of Shadows and Alvin And The Chipmunks: Chipwrecked continued to draw large holiday crowds. The big loser on Friday actually looks to be Steven Spielberg, with his War Horse and The Adventures of Tintin finishing sixth ...