The tax pledge is a departure in tone, if not policy, from his position during the primary, when his comments were squarely focused on his plan to cut tax rates by 20 percent across the board.
"By reducing the tax on the next dollar of income earned by all taxpayers, we will encourage hard work, risk-taking, and productivity by allowing Americans to keep more of what they earn," Romney told the Detroit Economic Club earlier this year.
Tuesday night, it was a different message. Said Romney: "I'm not looking to cut taxes for wealthy people. I am looking to cut taxes for middle-income people."
Hunt reported from Washington.
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