Ledger's Legacy: A new generation's James Dean?

**FILE**This undated handout photo provided by The Weinstein Company shows Heath Ledger in Todd Haynes' "I'm Not There." Ledger is an overwhelming favorite to become, on Sunday, only the second actor to win a posthumous Oscar for his role as the Joker in "The Dark Knight". If he does, the words "Oscar-winning actor" will doubtless precede each mention of his name forever. But beyond that, what will his legacy be? (AP Photo/The Weinstein Company, Jonathan Wenk,File)