Through the midway point of 2006, U.S. Bank has more than doubled the volume of non-agency MBS deals for which it functions as indenture trustee, becoming the top player in this market, according to the Inside Mortgage Finance MBS Database.U.S. Bank was named trustee on $176.3 billion of newly issued non-agency MBS during the first half of the year, up 150 percent from its volume during the same period last year. The company was, by far, the most widely named trustee...