We know C-Span has a special place in its corporate heart for anti-Semites, who make up, it seems, a disproportionate number of callers, but it also takes pity on racists. In response to one grossly racist caller, the C-Span hostbot says, "I can understand your frustration." You've got to listen to this for yourselves:
Light pollution has taken away our ability to see the stars. Can we still save the night sky?