Do you think the late actor Heath Ledger is worthy of a documentary? I have to admit, for the longest time I would have said no. I recall thinking he was awful in his teen comedy breakthrough, "10 Things I Hate About You," and feeling - initially anyway - that his turn as The Joker in the Dark Knight trilogy was overrated, and his posthumous Oscar fueled by sympathy for his family, especially his young daughter. But over the years I've watched his Joker at least a million times, thanks to it being on constantly, and came to appreciate what he brought to the role. He played him broken - madness prevailing - and, what's more, just after playing a gay cowboy in "Brokeback Mountain." Ledger never played the same character twice. In fact, at only 28, he seemed hell-bent on playing an entirely different character every time out. As Mel Gibson's son in "The Patriot" he breaks your heart; in "Brokeback Mountain" he sustained one of his own; and in "10 Things" - which I just watched with my teenage daughter, thus changing my tune there as well - he broke Julia Stiles'.