Malia Obama, daughter of US Sen. Barack Obama, talks to her father as he appears on screen via a live video feed at the 2008 Democratic National Convention in Denver, Colorado August 25, 2008. U.S. Senator Barack Obama (D-IL) is expected to accept the Democratic presidential nomination at the convention on August 28. REUTERS/Rick Wilking (UNITED STATES) US PRESIDENTIAL ELECTION CAMPAIGN 2008 (USA)