Clones' Debut Is A Test Of Genetics, And Bettors' Wits  
6/5/2006 10:15:01 AM

Anyone trying to select a winner at the mule races this weekend in Winnemucca, Nev., will no doubt have a hard time choosing between Idaho Gem and Idaho Star [both are clones]. They may have different names, but they are not necessarily different mules.