President to plead U.S. case at global warming summit

Wednesday, November 25, 2009 | 5:42 p.m. CST; updated 12:20 p.m. CDT, Wednesday, May 5, 2010

WASHINGTON — Putting his prestige on the line, President Barack Obama will personally commit the U.S. to a goal of substantially cutting greenhouse gases at next month's Copenhagen climate summit. He will insist America is ready to tackle global warming despite resistance in Congress over higher costs for businesses and homeowners.

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