WHEN IN ROME DO AS THE VANDALSAs snotty punk albums go, When in Rome seems unexceptional on the surface. There are the tasteless joke songs ("Viking Suite," about a man disturbingly fond of little boys in costumes, presented as a mock prog style rock opera). There's the requisite cheesy cover ("Hocus Pocus" by Focus, renamed "It's Not Unusual," complete with tuneless howls and shrieks that are even more painful than the original's yodeling). One key difference is that the band is