On Saturday, Joe Biden did it again. While attempting to list off the names of several Democrats, even he was surprised by his own forgetfulness.“… and Representatives Shir-Shirley Jackson Lee, Al Greene, Sylvia Garcia, Lizzie Penelley, ugh, uh, excuse me, Pannill, and, ugh, what am I doing here? I’m gonna lose track here,” Biden wondered aloud. Her name is Sheila Jackson Lee… and she’s hardly forgettable. But his remark, “What am I doing here?” was very telling. Of course, we’ve all been wondering that for weeks. What is Joe Biden doing there in the most powerful position in the world?Okay, obviously he wasn’t referring to the presidency there, but still, that off-hand remark was a stunning admission from Biden himself that he was aware of his scattered thoughts.