For TV networks, a presidential election isn’t just a chance to report history-making news. With so many millions of people watching, it’s also a chance to show off new technological toys. On Tuesday night, CNN unveiled its new psuedo-holographic imaging technique reminiscent of the “Star Wars” movies. During its election night broadcast, the cable news network “beamed” correspondent Jessica Yellin — or at least an apparent 3-D image of her — into the Atlanta, Ga., studio from her location inside a tent in Chicago’s Grant Park for a virtual appearance with host Wolf Blitzer.
