Signatories of an open letter say a parliamentary resolution declaring the campaign anti-Semitic has led to self-censorship and is stifling artistic expression.Signatories of an open letter say a parliamentary resolution declaring the campaign anti-Semitic has led to self-censorship and is stifling artistic expression.Read MoreAnti-Semitism, Boycott, Divestment and Sanctions (BDS), Art, Freedom of Speech and Expression, Politics and Government, Holocaust and the Nazi Era, Boycotts, Zionism, Germany