BusinessQuestionnaire Bulgaria: Sergei StanishevTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoBusiness07/24/2012July 24, 2012Former Bulgarian prime minister Sergei Stanishev is now the interim president of the Party of European Socialists (PES).https://p.dw.com/p/14WNSAdvertisement Stanishev says he is concerned about major inequalities between rich and poor countries.