President Barack Obama, right, is introduced by Chicago Mayor-elect Rahm Emanuel, left, at a DNC fundraiser at Navy Pier in Chicago, Thursday, April 14, 2011. (AP Photo/Pablo Martinez Monsivais)
Photos: President Obama at DNC Fundraiser in Chicago
Photos: President Obama at DNC Fundraiser in Chicago
President Barack Obama, right, is introduced by Chicago Mayor-elect Rahm Emanuel, left, at a DNC fundraiser at Navy Pier in Chicago, Thursday, April 14, 2011. (AP Photo/Pablo Martinez Monsivais)