[Red Steel]

It started on paper in the year 2005.
From the the Gunwalker timeline website:

“ATF developed Project Gunrunner as a pilot initiative around 2005.”

[TigersEye]

OK, thanks! Sorry I missed that line. It doesn't make any material difference but I wanted to nail that fact down when trying to explain the differences.

Bottom line; Wide Receiver didn't "walk" guns and it ended while Bush was in office after an unintentional loss of control of the guns. F&F intentionally let guns "walk." Holder did not end the "Bush era" practice of "walking" guns because no guns ever "walked" under Bush.