Final scene:
http://youtu.be/kFauG5dyi_Y (embedding disabled)
That music = me losing it
Luthor has gotta still be big time mega-evil to be elected President in just seven years after having no political background or interest at all.
But it fits in with stuff like waaaaay back from when they show first started where they had Luthor in the white house, and a glove on his hand and all.