The BBC analysis on why Obama won (290:201 as of now): "The key to Obama's victory appears to have been a big turn out of loyal Democratic supporters, especially black people and Hispanics. The ground game has paid off. There will be many problems in a second term, but for the president's supporters this is a moment of joy and relief.

Pictured: Obama supporters cheer his win. Seems like the bearded man in front is yet to get it.