Each day seems to offer new lessons for Washington in how perilous it can be to invoke the Holocaust. The lesson learned on Tuesday by members of the Harvard Lampoon, the vaunted satirical magazine founded in 1876, was a bit different. Best not to photoshop the head of Anne Frank, the German-born Jewish diarist who perished in the Bergen-Belsen concentration camp, onto a shapely, bikini-clad body, the student humorists realized.