calimesa, california, riverside county. historic missions.uburbs creeping around the rim of mountains on the eastern flank of los angeles. here is why chris and cristi hall had come to live out their golden years, though they were far from old when it happened. just experienced, with life and each other. >> as far back as i can remember, it's always been chris and cristi. they were never thought of as separate. they were a unit. >> these are the three daughters. courtney, brianna and ashton. all of them of course have heard scores of times the story of how their parents met. it was 1978. cristi had gone to see a relative at the air force base in nearby san bernardino. quite by chance, while she was there she encountered a security guard who, to her at least, looked just like elvis. it was blair christopher hall. chris to his friends. >> apparently she was a little flirty at the gate. [ laughter ] >> in short order, chris and cristi got married. she was 17. he, 20. and as the girls grew up, they said they never doubted for a single moment the