Federal Housing Finance Board Chairman John Korsmo is having a little trouble shaking off Congressional charges of improper political fundraising. Korsmo was forced to defend his participation at a recent fundraiser for fellow North Dakotan Rick Clayburgh, a Republican who is trying to unseat a Democratic incumbent for the state’s one House seat. Korsmo was listed as a “special guest” for an event that solicited campaign contributions from, among others, several presidents of the