Keywords: Barack Obama waiting at the California Science Center.jpg en United States President Barack Obama waits backstage as he is introduced during a reception for Senator Barbara Boxer of California at the California Science Center in Los Angeles California on 19 April 2010 Former Virginia Governor Tim Kaine Democratic National Committee Chair and Senator Boxer are onstage 2010-04-19 20 30 28 http //www flickr com/photos/whitehouse/4608571341 White House P041910PS-0183 Pete Souza DEFAULTSORT 20100419203028 PD-USGov Uploaded with UploadWizard Barack Obama in 2010 Barbara Boxer Tim Kaine 2010 in Los Angeles Photographs by Pete Souza Taken with Canon EOS 5D Mark II Uploaded by O'Dea Personality rights |