TOKYO -- The new robot from Japanese automaker Toyota Motor Corp. can’t do much but chatter in a high-pitched voice.The 39,800-yen ($390), 10-centimeter (4-inch) -tall, doll-like Kirobo Mini - whose name comes from “kibo,” or “hope,” and “robot” - supposedly has the smarts of a 5-year-old.Fuminori Kataoka, general manager in charge of the project, says...