05/30/2009 05:12 am ET | Updated May 25, 2011

300 Photos From Obama's First 100 Days: Behind The Scenes

During President Obama's first 100 days, it seems that White House photographer Pete Souza has been at his side for virtually every waking moment.

Below, a huge slideshow featuring 300 of the best behind-the-scenes photos of Obama's young presidency. Mouse over the top of the slideshow to see more options, and click on a photo to view its caption.

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