Tim Layden breaks down the 2013 Kentucky Derby field and predicts a winner

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Despite the many variables that make predicting the Kentucky Derby winner difficult -- a long course, way too many horses -- Tim Layden narrows the race down to his four favorites.http://feeds.feedburner.com/~r/rss/si_topstories/~4/0IhgrdwLLFo

More... (http://sportsillustrated.cnn.com/video/si-video/20130504/kentucky-derby-predictions.sportsillustrated/?xid=si_topstories)