On-stage criticism of Israel’s bombing of Gaza at Berlin’s annual film festival sparked condemnation among German politicians over the weekend. In an awards ceremony concluding the Berlinale, Palestinian filmmaker Basel Adra accepted an award for his documentary about the West Bank and called on Germany to stop sending weapons to Israel, in remarks that were met with applause and cheers from the audience. “It is very hard for me to celebrate when there is tens of thousands of my people being slaughtered and massacred by Israel in Gaza,” said Adra, whose film “No Other Land” depicts the Israeli…