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 NY Times: Trump Deflects Questions About Taxes, but First Debate Has a New Issue - While the president’s Republican allies generally kept their silence, Democrats pounced and former Vice President Joseph R. Biden Jr., the party’s presidential candidate, posted a video noting that the president paid less in income taxes than everyday Americans. By Peter Baker and Michael D. Shear

But there was quiet concern within the campaign, where aides took note of daily tracking numbers from Rasmussen Reports, a typically rosy assessment of how the president is faring, that showed support falling after the tax story. Among Mr. Trump’s circle, there was finger-pointing about how the issue was handled and a hesitancy to discuss with him an issue they know he is sensitive about.