Michelle Obama: ‘My daughters are still the heart of my heart and the center of my world’

Updated
Michelle Obama: 'My daughters are still the heart of my heart and the center of my world'
Michelle Obama: 'My daughters are still the heart of my heart and the center of my world'

President Barack Obama and his daughters, Malia (left) and Sasha, watch (on TV) First Lady Michelle Obama speak at the Democratic National Convention tonight in the Treaty Room of the White House.

Democratic National Convention and Barack Obama

Michelle Obama: 'My daughters are still the heart of my heart and the center of my world'

Updated