Tom Hayes, the former British trader jailed over the Libor interest rate scandal, has filed a $400 million lawsuit against UBS, alleging "malicious prosecution and corporate scapegoating" by his former employer, according to court documents seen by FOX Business. Hayes’ complaint was lodged Monday in a Connecticut Superior Court and appears to accuse the Swiss banking giant of deliberately framing him as the mastermind of the scandal to shield senior executives and reduce multibillion-dollar regulatory pen ...