Michelle Obama (3)

Michelle Obama speaks at a voter registration rally on the University of Colorado campus in Boulder, during the 2008 presidential campaign.

Michelle Obama (2)

Michelle Obama speaks at a voter registration rally on the University of Colorado campus in Boulder, during the 2008 presidential campaign.

Michelle Obama (4)

Michelle Obama speaks at a voter registration rally on the University of Colorado campus in Boulder, during the 2008 presidential campaign.

Michelle Obama (5)

Michelle Obama speaks at a voter registration rally on the University of Colorado campus in Boulder, during the 2008 presidential campaign.

Michelle Obama (6)

Michelle Obama speaks at a voter registration rally on the University of Colorado campus in Boulder, during the 2008 presidential campaign.

Michelle Obama (7)

Michelle Obama speaks at a voter registration rally on the University of Colorado campus in Boulder, during the 2008 presidential campaign.

Michelle Obama (9)

Michelle Obama speaks at a voter registration rally on the University of Colorado campus in Boulder, during the 2008 presidential campaign.

Michelle Obama (8)

Michelle Obama speaks at a voter registration rally on the University of Colorado campus in Boulder, during the 2008 presidential campaign.

Michelle Obama (1)

Michelle Obama speaks at a voter registration rally on the University of Colorado campus in Boulder, during the 2008 presidential campaign.