Here's what's happening today in pop culture:
• "Mission: Impossible - Ghost Protocol" takes the holiday weekend at the box office, but "War Horse" looks like it may have legs. (Yes, it's a bad joke - what do you want the day after Christmas?) [Alt Film Guide]
• A judge has told an anonymous actress suing the Internet Movie Database for divulging people's real ages that she must identify herself or the case will be tossed out. [The Hollywood Reporter]
• Roger Ebert lists his 20 favorite documentaries of 2011 - and notes, with justified derision, how few of them are short-listed for the Oscar. [Roger Ebert's Journal]