William Gale : Mitt Romney 's $ 5 trillion tax cut proposal did n't add up for months . He says new idea of a cap on deductions is a first step toward a viable plan . Comment: But it highlighted the need for specifics ; $ 5 trillion is not a trivial amount , even in Washington , and the prospect of middle-class tax increases sets off alarm bells . He says that it could make taxpayers much less likely to give to charity .
William Gale : Mitt Romney 's $ 5 trillion tax cut proposal did n't add up for months . He says new idea of a cap on deductions is a first step toward a viable plan . Comment: He says that it could make taxpayers much less likely to give to charity .