What happens when Obama wakes up in the middle of the night and wants a snack

There are a lot of things the president of the United States is not allowed to have or do. For example, President Obama has a BlackBerry, because there's technology in the iPhone he's not allowed to have. And it took until May for Obama to finally get his own Twitter account, @POTUS -- president of the United States. Sometimes, being president is kind of like being a prisoner in the White House. Obama described some of the limitations of being president in a March interview with Jimmy Kimmel. On...