Clear Channel makes no secret of it:
Clear Channel Worldwide Inc., the nation’s largest owner of radio stations (over 1200 stations in all 50 states and DC), sponsored the numerous “patriotic rallies” which were held in various cities around the country. They organized, advertised, provided speakers and entertainment for them, and even handed out numerous American flags to participants.
While Clear Channel promoted these as patriotic rallies, the attendees obviously felt otherwise. In addition to waving their provided flags, they also held signs condemning their fellow Americans – liberals, Hollywood, the Dixie Chicks. They were not so much patriotic rallies as pro-war rallies, and not so much pro-war rallies as rallies against anyone who opposes the Bush administration’s policies.
But who is Clear Channel? Look at this chart.
UPDATE: Looks like Krugman is all over this story!