Celebrity, high and low, is judged by double standards. We forgive the talented their sins because we appreciate their talents. Sometimes we're hypercritical (and hypocritical) for the very reason they let us down -- when what they say has little, if anything, to do with their talents. The moguls of the old studio system in Hollywood knew what they were doing when they kept the politics, if any, of their stars hidden safely away. We don't really want to know what a good actor like Sean Penn thinks about politics, overlooking his childish anti-American diatribes, because we know his views...