The petition for rehearing en banc filed by the United States is granted. The panel's opinion and judgment of June 16, 2006, are vacated.
The clerk is directed to set this case for oral argument before the court en banc in St. Louis, Missouri, on Tuesday, January 9, 2007, at 1:30 p.m.
Counsel for the parties shall submit thirty (30) copies of the appeal briefs previously filed in the case.
Each side will be allotted 20 minutes for argument.