Learning Life S News Today

Fit. there you go >> reporter: learning lifes biggest lessons thanks to a little dog. >> and we love piglet around here. thats "nbc nightly news." im lester holt. thank you for watching, everyo and good nig >> kayla: hey, hey, jack. >> jack: hmm? oh, it was fine. i just hated being away from jennifer. how is she? >> kayla: well, lets see. she had physical therapy early, she walked the floors with eric, and then last i checked, she was taking a nap. >> jack: okay. >> jennifer: [panting] [whimperi...