Vilifying Jews By Ruthie Blum Likening anti-Semitism to pollution, Manfred Gerstenfeld makes a distinction between that "which comes out of a chimney and spreads over a huge area," and that "which comes from the exhaust pipes of millions of cars, each one contributing its little bit." The former, he says, was characteristic of the Nazi era - with its "boss," Adolf Hitler, as the central smokestack the world over. The latter, he claims, describes today's post-modern form of the phenomenon: global, but fragmented, with no single leader or source - and primarily aimed at the Jewish state. The academic area Gerstenfeld - chairman of the Board of Fellows of the Jerusalem Center for Public Affairs (JCPA) - has spent the last few years researching is one he feels has been given short shrift precisely among those most immediately and directly threatened by it. It is what he sees as the gradual mushrooming of anti-Israel bias on campuses across the world, culmi...