The fifth of six planned east-west runways at O'Hare International Airport is officially open today. Will this development help to quiet residents' noise complaints or make the problem worse? Paris Schutz has the story.

Chicago residents who say that the reconfiguration of O’Hare’s runways will lead to higher noise levels in their neighborhoods sound off in front of Federal Aviation Administration officials. On Chicago Tonight, we find out what the FAA is saying about the new flight paths, and how they plan to mitigate the skyrocketing number of community complaints.