All Things Considered host Robert Siegel shocked listeners during Monday's broadcast, speaking in an unusually loud voice. 'Wow,' said Siegel during a phone interview with author Annette Conroy, who had just made a point about the popularity of Scottish folk music in the Chicago area. 'We quickly intervened and were able to restore order to the program before chaos took over,' said show producer Linda Gross. 'Robert is dealing with the incident and will likely return to the show next week.' 