For everyone rooting against Air America Radio in the delicious story of the finagling of public funds from a children’s charity, it’s only fair to leave Al Franken out of it. Evan Cohen, the guy who ran the place at the beginning, stiffed Franken for his salary and that of others and was run out of the place on a rail. The whole business is unsavory and sounds like it might have been criminal, but — as they say in showbiz — don’t blame the talent.