National Football League owners are expected to give final approval of the sale of the Minnesota Vikings to novelist Tom Clancy next month. Clancy has purchased a 30-percent share of the franchise, and along with several other investors, is paying a total of more than 200-million dollars for the team. That makes the deal the most expensive team purchase in NFL history. Minnesota Public Radio's Perry Finelli has more... Tom Clancy says his hand will be shaking when he writes the check for controlling interest of the Vikings. Clancy says he and his group of investors, which includes other unnamed celebrities, made a fair offer for the team and the current owners accepted it... cut 0420