Business and finance 10 January 2013 Former UBS boss: “I felt embarrassed and ashamed” Business quote of the day. Sign UpGet the New Statesman's Morning Call email. Sign-up “I felt embarrassed and ashamed” UBS's former boss Marcel Rohner tells the Parliamentary Commission on Banking Standards he was “shocked” when he heard about the Swiss bank’s Libor-rigging. UBS was fined a record $1.5bn last month for manipulating interbank rates. › Will this be the coalition’s poll tax moment? UBS's former boss Marcel Rohner. Photograph: Getty Images Helen Roxburgh is the online editor of Economia