MINSK — One of President Alexander Lukashenko’s main political opponents went on trial in Belarus on Wednesday on a charge linked to demonstrations last December against the leader’s re-election. Andrei Sannikov, a former deputy foreign minister and co-founder of the Charter 97 rights group, faces up to 15 years’ jail if he is convicted of organizing mass disturbances. Sannikov, 57, was one of seven presidential candidates arrested on Dec. 19 […]