Nikolai Daskalov lives alone in a small house in rural Virginia. His preferred spot is a brown suede recliner in the middle of his living room facing a vintage wooden armoire and a TV that's rarely turned on. The front of the white home is covered in shrubs, and inside there are trinkets, stacks of papers and faded photos that decorate the walls. There's nobody else around. But Daskalov, 61, says he's never lonely. He has Leah."Hey, Leah, Sal and his team are here, and they want to interview you...