Sergey is from the capital of Russia, Moscow city. It is somewhere on the other side of the world, about as far away from Pennsylvania as one could imagine. But it is this upbringing that has driven his success as a real estate agent. "Growing up in the big city, you learn to appreciate what you have," Sergey says. "Things are not handed to you on a silver platter. You have to fight for what you have. You learn the ins and outs of hard work by ex...