captain. >> reporter: united acknowledges to its pilots who have been merged with continental airlines that some are flying an aircraft that is new to them and add retirements and new hires has introduced a significant risk in to the system. a risk united says it is trying to deal with. david kerley, abc news, washington. president obama's former press secretary has a new job. jay carney has been hired by amazon. it includes existing pr and public policy teams. carney will split his time between seattle headquarters and washington, d.c. britain's prince william is well in to the second day of his visit to japan. william is meeting with japan's emperor today. the tour continues through sunday when he travels to china for a four-day visit. back here at home, a trip to the heart land. some new stars at the zoo in omaha. >> yeah. they were carried by handlers yesterday.