Kirsten Grieshaber , The Associated Press BERLIN (AP) — Several Jewish groups, politicians and an alliance of civil society groups are planning a memorial ceremony and a protest rally against a concert by Roger Waters in Frankfurt on Sunday evening. They accuse the Pink Floyd co-founder of antisemitism - an allegation he denies. Waters has also drawn their ire for his support of the BDS movement, which calls for boycotts and sanctions against Israel. Frankfurt authorities had initially tried to prevent the concert, but Waters challenged that move successfully in a local court. The concert is taking place in the...