But I have a problem with pit bulls. And it has more to do with the two-legged creatures holding their leashes (if there is a leash).Because of their sheer numbers—estimates show that there are anywhere from 5 million to 10 million pit-bull-type dogs in the U.S. today, out of about 61 million total dogs—pits have become the dog du jour for a lot of people, not just gangbangers and wannabe thugs who use a pit as proxy for toughness. About 20 percent of dogs in ASPCA shelters are pit mixes. I've seen those who adopt these dogs for all the...