The Roger Clemens steroid scandal now has a parcel post element: Sources tell the Daily News a confessed drug dealer has receipts showing he sent something to Clemens' home in Texas. Per the News, dealer Kirk Radomski apparently "discovered shipping receipts for a package of two kits of human growth hormone that he sent in late 2002 or 2003 to Clemens...the timing of the shipment to Clemens' home coincides roughly with the dates when Clemens'......