Eric Zorn and Dennis Byrne go at it on Wednesday’s Tribune op-ed page on the subject of the pay freeze for federal workers that President Obama just ordered. Byrne is all for it and Zorn has issues. There’s no meeting of minds; Zorn goes so far as to tell Byrne at the end, “I will not agree to disagree on this.” But then Zorn says to Byrne, let’s do it again next year.