The column: Easing air-traffic congestion vexing issue

Today's Winging It column revisits the topic of two weeks ago: How air-traffic congestion at PHL and other hub airports will take a multi-faceted approach, and many years, to solve. Will the effort eventually lead to more regulation of where and when airlines can operate flights? Debate is likely to rage for years about that, but we look at what else can be done.

» READ MORE: Read it all here.