The fourteen aldermanic run-off elections scheduled for April will have a big impact on the make-up of the Chicago City Council. So it's no surprise that Mayor-Elect Rahm Emanuel is wading deep into the runoff pool. He’s already chosen sides in more than half the races.

But he’s not the only one with a close eye on these races. Business groups and unions have a lot at stake as well. WBEZ political reporter Sam Hudzik has been following it all.

Check out Sam's previous post on the aldermanic elections.