NPR's piece on bourbon balls is getting a lot of attention on Derby day, but there has also been news about the actual horse race on public radio.Yesterday, Melissa Block talked with the Courier-Journal's Jennie Rees about the Derby field, Rees's favorites and women in horse racing."With just the sixth female jockey ever and two female trainers, Saturday's 137th running of the Kentucky Derby is taking on something of a "year of the women" theme," says Block.Locally, you can listen to WFPL's discussion on handicapping this year's Derby, get a quick update on the race or check road closings and weather at the last minute. We'll also cover today's race online and on air.