Do Lexus and Nissan have a partnership that we don’t know about? In looking at photos of the 2013 Nissan Altima sedan and the 2013 Lexus GS, we became confused as to which was which. It’s kind of like being on the set with with Elijah Wood and look-alike Daniel Radcliffe . . . or Jon Stewart and Richard Lewis . . . or Stephen Colbert and Bob Saget . . . . It can be disorienting. Anyway, here are the photos. What do you think?