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Reality. >> we think weve made a good beginning. you aint seennothing yet . >> three holograms made their first public appearance this week. >> it was here that i first learned of nancys impending cancer surgery. so you see, you dont just give speeches in the oval office. you also say prayers. >>reporter: achieving this took 18 months of intense and complex development. >> to reach back in time and to create scientifically a hologram of someone thats passed like president reagan. you have to do ...