David Burnett : People used to believe that photojournalism depicted the truth . A picture is just a moment , he says , not the whole truth . Context is important . Photographer says his shots of President Obama and the first lady were misinterpreted . Burnett : The context was very different in 2008 than it is now.
David Burnett : People used to believe that photojournalism depicted the truth . A picture is just a moment , he says , not the whole truth . Context is important . Photographer says his shots of President Obama and the first lady were misinterpreted . Burnett : Pros try to make photos truthful , but photos can lie if they 're misused .