Jim Nussle, the 2006 Republican nominee for governor, is joining with his former congressional chief of staff to open a firm in Iowa. Steve Greiner, Nussle's COS, left the Nussle congressional office and worked as legal counsel for former House Speaker Newt Gingrich. Greiner and his wife were on the Nussle campaign bus for the final weekend of the campaign. News release after the jump.