Wielding just nail-polish remover, a camera and an "Against Nazis" tote bag, Irmela Mensah-Schramm is a one-of-a-kind fighter against Germany's increasingly threatening far-right scene. Walking the streets of the depressed east Berlin district of Lichtenberg on the hunt for racist and pro-fascist graffiti, 66-year-old Mensah-Schramm's diminutive frame belies a crusader's iron will.