It is a big problem that more smart potentially liberal-leaning intellectuals don't join in the dirty business of politics. I understand why they don't, but it's still disappointing.
...adding, I know absolutely nothing about David Card's politics, but he dares challenge the Econ101 Orthodoxy that pervades thinking about policy and pushes public opinion towards supporting conservative economic policies. Joining the Fray doesn't necessarily mean he stands up on stage with John Kerry and Jon Bon Jovi, it just means he participates in forums where the overtones are inevitably political even if the focus is not.
