Mon Jul 28, 11:32 PM ET
Michelle Obama, wife of Democratic presidential candidate Sen. Barack Obama D-Ill., seated, laughs with attendees before speaking at a Women for Obama luncheon Monday, July, 28, 2008 in Chicago. After a bitter primary, Obama is trying to win over supporters of Sen. Hillary Rodham Clinton, D-N.Y., and increase a lead among women.(AP Photo/M. Spencer Green)
Mon Jul 28, 11:32 PM ET
Michelle Obama, wife of Democratic presidential candidate Sen. Barack Obama D-Ill., is applauded as she heads to the podium before speaking at a Women for Obama luncheon Monday, July, 28, 2008 in Chicago. After a bitter primary, Obama is trying to win over supporters of Sen. Hillary Rodham Clinton, D-N.Y., and increase a lead among women.(AP Photo/M. Spencer Green)
Mon Jul 28, 11:32 PM ET
Marian Robinson, mother of Michelle Obama, wife of Democratic presidential candidate Sen. Barack Obama D-Ill., is introduced as her daughter speaks at Women for Obama luncheon Monday, July, 28, 2008, in Chicago. After a bitter primary, Obama is trying to win over supporters of Sen. Hillary Rodham Clinton, D-N.Y., and increase a lead among women.(AP Photo/M. Spencer Green)
Mon Jul 28, 11:32 PM ET
Attendees listen as Michelle Obama, wife of Democratic presidential candidate Sen. Barack Obama D-Ill., speaks at a Women for Obama luncheon Monday, July, 28, 2008 in Chicago. After a bitter primary, Obama is trying to win over supporters of Sen. Hillary Rodham Clinton, D-N.Y., and increase a lead among women.(AP Photo/M. Spencer Green)
Mon Jul 28, 11:32 PM ET
Michelle Obama, wife of Democratic presidential candidate Sen. Barack Obama D-Ill., speaks at a Women for Obama luncheon Monday, July, 28, 2008, in Chicago. After a bitter primary, Obama is trying to win over supporters of Sen. Hillary Rodham Clinton, D-N.Y., and increase a lead among women.(AP Photo/M. Spencer Green)