The announcement that two Chicago venture capitalists will finance a liberal talk radio network met with the skepticism that might greet the formation of a pro badminton circuit. Conservatives said that liberal dogma couldn't withstand the rough and tumble of talk radio (which is "ultimately about ideas," as Thomas Sowell put it), the implication being that the left has no thinkers with the gravitas of a Limbaugh or a Liddy. Others said that liberals just can't be funny (the left has no wits like Limbaugh and Liddy, either), while the blogger Antic Muse said there are funny liberals, but they're...