Facebook changes policies on 'Trending Topics' after criticism

By Yasmeen Abutaleb SAN FRANCISCO (Reuters) - Facebook Inc said on Monday that it had changed some of the procedures for its "Trending Topics" section after a news report alleging it suppressed conservative news prompted a U.S. Congressional demand for more transparency. The company said an internal probe showed no evidence of political bias in the selection of news stories for Trending Topics, a feature that is separate from the main "news feed" where most Facebook users get their news. Earlier