Archivo: Official portrait of Barack Obama

Description: Official photographic portrait of US President Barack Obama (born 4 August 1961; assumed office 20 January 2009)
Title: Official portrait of Barack Obama
Credit: http://change.gov/newsroom/entry/new_official_portrait_released/: http://change.gov/newsroom/entry/new_official_portrait_released/
Author: Pete Souza, The Obama-Biden Transition Project
Permission: The website states ( http://change.gov/about/copyright_policy ) that its content is "licensed under a Creative Commons Attribution 3.0 License. Content includes all materials posted by the Obama-Biden Transition project."
Usage Terms: Creative Commons Attribution 3.0
License: CC BY 3.0
License Link: http://creativecommons.org/licenses/by/3.0/deed.en
Attribution Required?: Yes