The cast and crew of "Precious: Based on the Novel 'Push' by Sapphire" continued their unexpected journey from a scrappy little screening 10 months ago at the Sundance Film Festival to a star-studded gala at the legendary Grauman's Chinese Theatre in Hollywood. "I'm speechless," said director Lee Daniels at an event hosted by the American Film Institute on Sunday. "I'm humbled and speechless. That's the best way to describe it. I just can't... I wish I had the words. Dreamlike? Sort of surreal." The dark urban drama, which opens in U.S. cinemas on Friday, follows Clareece "Precious" Jones, an overweight, illiterate and abused Harlem teen who is pregnant with her second child and invited to enroll in an alternative school in hopes that her...