International observers will watch U.S. vote closely

By Francois Murphy VIENNA (Reuters) - Amid charges from Donald Trump that the U.S. presidential election could be "rigged" and concerns of rights activists that black voters may face undue obstacles, the head of an international observer team pledged a full review ranging from voting machines to racial bias as it began work on Tuesday. The team from the 57-nation Organization for Security and Cooperation in Europe (OSCE) that will monitor the Nov. 8 presidential and Congressional elections is se