The 3rd witness (this is now the FOURTH witness), a civilian security contractor named Smith, said that when AD was shut down a Colonel told him (Smith) that the program would be the end of his (the Colonel's) career. So, apparently someone was breathing fire over the Chinagate findings and/or the worries of the DOD lawyers that there would be trouble for finding intel on US citizens (unfortunately, the law does not allow for the possibility that in the Internet Age a program finding links with terrorists and/or spies may not limit itself to non-citizens). Here's a link for what Smith said the other day:
http://www.freerepublic.com/focus/f-news/1471546/posts