251 Jordan Golson 12/13/07 04:04PM Filed to: Antitrust Antitrust John Conyers Politics Sirius Satellite Radio Xm Valleywag Rep. John Conyers, D-MI, said he was "dismayed to learn" that the head of the Department of Justice's antitrust division may approve the XM-Sirius merger "over the objections of department staff." [AP]