According to a lengthy investigation by Amy Clancy of KIRO 7 Eyewitness News in Seattle, users of both first- and second-generation iPod shuffles have reported having the devices overheat. The reports, from 2006 and November 2008, respectively, come from information obtained by Clancy using the Freedom of Information Act. After seven months of delays due to blocks by Apple’s lawyers, who allegedly filed “exemption after exemption,”…