Honest: Abe?

First teaser for Spielberg's upcoming Lincoln released, with a snippet of footage--and a seemingly too young and light voice doing Lincoln (though who knows what he sounded like).   It stars Daniel Day-Lewis.  What it's teasing is release of full trailer and chat with Spielberg on Thursday.  Update:  A Twitter friend says he's heard the voice is actor David Oyelowo, who plays Ira Clark in the Lincoln film.