Activists acquitted in trial for protest of Israeli official.
Mayor has ignored requests for dialogue with Palestine solidarity activists.
Arye Sharuz Shalicar had defended war crimes and threatened German civilians.
Humboldt University event offered support to 2014 attack on Gaza.
Three activists face a criminal trial for protesting when an Israeli politician visited Berlin.
German court rules that municipality illegally interfered with freedom of assembly when it blocked BDS event.
International event deepens its collaboration with Israeli embassy.
Segregation and denial of Palestinian existence is key to Israeli identity.