Jim Broadbent and Meryl Streep in The Iron LadyTHE IRON LADY

It's hardly a newsflash that over the past several years - well, forever, really - Meryl Streep has treated us to a run of extraordinary performances, and her Margaret Thatcher in the screen biography The Iron Lady is one of the most extraordinary of them all. Yet the vexing question regarding Streep's indelible work of late isn't "How does she keep doing it?" It's "How does she keep doing it with so little help from her directors?"

Dianna Agron and Alex Pettyfer in I Am Number FourI AM NUMBER FOUR

A handsome, troubled, rebellious transfer student dealing with alienation and the wrath of bullies at his new high school. The kid's ineffectual father, shrugging off his child's loneliness and conflicts with the authorities. The kid's one new friend, a withdrawn, frequently picked-on nerd with his own parental hang-ups. The kid's potential love interest, a pretty, popular girl who feels like an outsider herself, and appears to be the property of the kid's chief tormentor. If you've seen a certain iconic drama starring Natalie Wood, Sal Mineo, and a red-jacket-wearing James Dean, the aforementioned character descriptions might sound a teensy bit familiar.

Disney's A Christmas CarolDISNEY'S A CHRISTMAS CAROL

For the most part, Disney's A Christmas Carol - the third of director Robert Zemeckis' features to employ the process of performance-capture animation - is a strong, serious, stunningly well-designed piece of work, and an unexpectedly resonant take on Charles Dickens' holiday classic. But I do feel compelled to ask Mr. Zemeckis a question: Must everything be transformed into a Hollywood thrill ride?