ABC News' Karen Travers Reports: As if things weren't competitive enough on the campaign trail, now it's Obama v. Clinton at the Grammy Awards too.Former President Bill Clinton is up against the junior senator from Illinois in the Best Spoken Word Album category –- Clinton for his reading of his book "Giving: How Each of Us Can Change the World" and Obama for his reading of his book "The Audacity of Hope: Thoughts on Reclaiming the American Dream."Also in the Grammy race: Maya Angelou, Jimmy Carter and Alan Alda. The 50th Annual Grammy Awards will be presented on Feb. 10, 2008, less than a week after the Super Duper Tuesday primaries on Feb. 5. Obama already has one Grammy on the mantle. He won in the same category in 2006 for his reading of the autobiographical "Dreams of My Father." That year he beat out Garrison Keillor, Al Franken, Sean Penn and George Carlin.