The Man of Steel on a walking tour across America.
The reason given is that Superman has lost touch with the average American and that he'll be able to "re-connect" with the people if he "walks among them".
Green Lantern and liberal Green Arrow tried to "reconnect" with the "common man" in Green Lantern/Green Arrow #76-89.
(Interestingly, the comic book was canceled before the plotline ended.)
We'll be watching to see how this develops...