mission to explore jupiter s asteroid, which are remnants from the early days in the solar system. the only sightings of the trojans have been artist renderings or animations. now there s a new effort to try to help them deal with the unpredictability and stress of the job. we re talking about emotional support dogs. they re the newest members of the force. look at them here, and they re bringing comfort in some unexpected ways. here s cnn s lauren fox. come on, milo. reporter: the newest member of the u.s. capitol police force is already pretty pupular. meet leeila, a 3-year-old black lab labrador who serves as a wellness dog for the capitol police. her handler, wellness