Happy 50th Birthday, Mr. President!

Today, August 4th, is President Obama's 50th birthday and while that may seem ancient to most of you, he is the nation's 5th youngest president ever - behind Ulysses S. Grant, John F. Kennedy, Bill Clinton and Theodore Roosevelt and, only the last two spent their 50th birthday in the Oval Office. So how is he celebrating this momentous occasion? Here is the lowdown.