Illinois commemorates Barack Obama’s 2007 presidential announcement with marker at Old State Capitol
Barack Obama announces his candidacy for president at the Old State Capitol in Springfield, Illinois, on Feb. 10, 2007. - Pete Souza/Chicago Tribune/TNS

SPRINGFIELD, Ill. — The weather turned frigid in the state capital on Wednesday, just in time for the dedication of a marker commemorating the day nearly 16 years ago when thousands braved single-digit temperatures to see then-U.S. Sen. Barack Obama announce his 2008 presidential bid from the steps of the Old State Capitol. The roughly 47-inch-by-44-inch marker, which stands on the southeast corner of the Old Capitol grounds in downtown Springfield,also commemorates Obama’s 2008 announcement that then-Sen. Joe Biden of Delaware would be his running mate. It adds historical resonance to a build...