ID3 vTOPE NPRTCOM TALB Talk of the NationTIT2 * Oscar Nominations In, Handicapping BeginsTCOP 2007TRCK 2TCON MoviesCOMM nprComment The Oscar nominees are announced, and Dreamgirls leads the contenders. New York Times film critic A.O. Scott handicaps the nominees.TPE1 NPRTYER 2007 P , $`@X]B'w0O\; ΞD-3|B>!