By David Schaper, NPR
Chicago, Ill. – Barack Obama is running for one of Illinois' U.S. Senate seats, but he has spent much of the campaign season stumping for Sen. John Kerry and other candidates outside his state.
Following his keynote address at the DNC in Boston, Obama has traveled to many of the battleground states. And he's a big money raiser for Democrats.
NPR's David Schaper prepared this report, which aired on Tuesday's Morning Edition. To hear it, click here.