Senator Orin Hatch, chairman of the Senate Judiciary Committee, plans to launch an investigation into alleged payolalike practices by some of the big radio groups that also own concert venues. http://story.news.yahoo.com/news?tmpl=story2&cid=91&ncid=91&e=8&u=/bpihw/200 30224/en_bpihw/senate_to_probe_payola_in_radio