Emanuel to host mayors to discuss city challenges

Chicago Mayor Rahm Emanuel will host a group of other mayors from around the country next month at an event in which they'll kick around ideas for solving big-city problems.

The University of Chicago and the National League of Cities are organizing the event under the title "Big Ideas for Cities."

It takes place April 11 in Chicago. Participants will include the mayors of Philadelphia, Columbus, Ohio; Oakland, Calif.; Minneapolis, Minn.; Gary, Ind., and other cities.

They'll talk about issues ranging from education and sustainability to climate adaptation.