A breeder in Sakaide city on Shikoku, Japan, took this photo of one of his little dogs, which are in demand and expensive. ( Hidekazu Kawanabe ) Genetic defects rise with fad-driven inbreeding of dogs in Japan By Martin Fackler Wednesday, December 27, 2006 TOKYO Care for a Chihuahua with a blue hue? How about a teacup poodle so tiny it will fit into a purse — the canine equivalent of a bonsai? The Japanese sure do. Rare and unique dogs are highly prized here and can set buyers back more than ¥1 million, or about $8,400. But the...