Forty-eight percent of respondents say the U.S. is a less important and powerful world leader than it was a decade ago.
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In just nine months, the percentage of Republicans saying the United States does too little to address global problems has more than doubled, while the proportion saying it does too much has dropped significantly, according to a new Pew Research Center poll.

Last November, just 18 percent of GOP respondents said the U.S. does too little; now that number has jumped to 46 percent – nine percentage points more than those saying the U.S. does too much – which has in turn dropped by 15 points.