NEW YORK (AP) — First lady Michelle Obama is getting attention from the Nickelodeon kids' television network — and it has nothing to do with green slime. Nickelodeon said Thursday it will honor Obama at the Kids' Choice Awards with its "Big Help" award for her "Let's Move" campaign to help cut down on childhood obesity. She has taped a message for Saturday's show. "For once we will see all the forces aligning — not just to place blame, but in paving the way forward," said Marva Smalls, chief of staff for the MTV Networks and Nickelodeon Kids and Family...