An ``ice luge'' funneling whiskey into gaping mouths and an open-air urination wall were sideshows of a Harvard University carnival Saturday at which 25 drunken students were carried out by ambulance, while another 32 were thrown out for being minors. All while being chaperoned by deans from the country's most prestigious school. ``It was terrible,'' said Capt. William Evans, the Boston Police Department's liaison to colleges and universities. ``Everyone thinks they're America's best and brightest and they probably are, but where's the common sense here?'' One alum was arrested for dealing cocaine, the Harvard Crimson reported yesterday. The university remains...