We've heard various rumors over the past year or so that T-Mobile USA parent Deutsche Telekom was looking for someone to look over its fledgling American wireless provider, either in the form of a partnership or an outright buyout. Now, many moons later, the company has felt compelled to set those rumors to rest -- possibly because it couldn't find any interested parties. Rene Obermann, Chairman of the Management Board at Deutsche Telekom, believes there is room for four major wireless players in the US (T-Mo is number four, currently) and asks the question: "Why can't you have penetr