Has he no shame? Of course not. He's Charlie Rangel, head of the tax-writing House Ways and Means Committee -- who can't be bothered to tend to his own tax returns, but now intends to punish ordinary folks for making arguably minor mistakes on their forms. The Post's Charles Hurt reported yesterday that Rangel's committee seeks to reduce legal defenses and increase fines and penalties on taxpayers undergoing IRS scrutiny for what they assert are innocent errors. Among other things, Rangel's bill would even prohibit the IRS from forgiving taxpayers who erred in good faith -- though that would be...