Mitt Romney delivers a Rosh Hashana message. Photo: Screenshot.

Boston.com/AP – Mitt Romney filed his 2011 tax returns today — capping a difficult week by returning to the campaign a topic that has dogged the candidacy of the Republican presidential nominee – and is also releasing a 20-year snapshot of his tax returns.

Romney’s updated tax returns, which will be posted online in full at 3 p.m. on Friday, show that he paid $1.9 million in taxes on $13.7 million in income, most of which came from his investments. It means his effective tax rate for 2011 was 14.1 percent, which is slightly higher than it was in 2010 but still far lower than the rate most Americans pay.

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