Well it's bulls and blood, dust and mud and the roar of a Sunday crowd, but it's the rabbit-chasing and the lamb-breaking that really gets the crowd riled up.Garth Brooks, who romanticized rodeos in his popular 1991 country song of the same name, could scarcely have imagined the furor playing out on our Web site these days over the South Douglas Rodeo's annual Bunny Run. Do you think he knows it's wrong to chase bunnies or ride lambs round the inside of a rodeo arena?The online dust-up started after a Public Forum writer objected to the Bunny Run, in which …