The big skull mounted meat flaps offer some advantages...
He's equipped to hear the views of the voters better than McCain
The secret Service won't ever lose him in a crowd
Just think of how much gas money the country could save by doing away with Air Force One - added benefits re global warming, too.
We'll never have an instance where only one adviser has the President's ear - there's plenty to go around.
In the event of global war, Obama could tin foil his ears and be a one man command and control center thereby ensuring the integrity of the chain of command.