ARLINGTON, Va.--(BUSINESS WIRE)--One in three U.S. public companies expect to significantly change their approach to disclosing information on how they reward their executives in the wake of the Securities and Exchange Commission’s (SEC’s) proposed pay-for-performance disclosure rules, according to a poll by global professional services company Towers Watson (NASDAQ: TW). The poll also found that a majority of companies are likely to provide additional information and analysis that go beyond wh