Behind the Scenes with Obama

A portrait of Ulysses S. Grant hangs in Obama's private office, where he often adjourns in the evening to work.
Callie Shell / Aurora for TIME

The Residence
A portrait of Ulysses S. Grant hangs in Obama's private office, where he often adjourns in the evening to work. In this photo, he reads a selection of the letters he receives every day from people around the country.