Hmmm, so checking out the links that Plane pleasantly provided, which then generated additional links to look at and debate to be facilitated, it seems that there is still no "go to" guy that said, "Here's my plan, let's go with this", or "Here's my idea boss, can you give me the go-ahead?"
The only common denominator is that it was generated by the Fed, ATF principly in this scenario, with not just the backing, but full understanding of what was going on, at the Justice Dept, with the Wide Receiver program being launched under the prior administration