Business_Finance

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President Obama, speaking at a news conference Tuesday, said he will push again for corporate tax increases that Congress failed to enact because "I continue to believe I'm right." (Associated Press)

NYSE Euronext CEO Duncan Niederauer listens as Manfred Gentz, right, Chairman of Deutsche Boerse, appears by video conference during a press conference at the New York Stock Exchange, Tuesday, Feb. 15, 2011. The NYSE and Deutsche Boerse announced Tuesday that they plan to merge. (AP Photo/Mark Lennihan)

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CRITICAL: Rep. Paul D. Ryan of Wisconsin (left) and fellow Republican Sen. Jeff Sessions of Alabama, presenting the GOP's response to Mr. Obama's budget, criticized its taxing and spending levels. (Associated Press)

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EDUCATION INITIATIVE: President Obama visits teacher Susan Yoder's science class at Parkville Middle School and Center of Technology in Parkville, Md., on Monday. Mr. Obama's $3.7 trillion fiscal 2012 budget boosts overall education spending by 11 percent. (Associated Press)

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FILE - In this undated file photo, singer and pianist Nat "King" Cole is shown. More than 50 years after its initial airing on television, the estate of Nat King Cole plans to digitally release The Nat King Cole Show on iTunes. (AP Photo, file)

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This Sunday, Feb. 13, 2011 photo courtesy of Lela Rose shows the Lela Rose Fall 2011 collection modeled during Fashion Week in New York. (AP Photo/Lela Rose) NO SALES; EDITORIAL USE ONLY

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Fall 2011 fashion from Diane von Furstenberg is modeled during Fashion Week in New York, Sunday, Feb. 13, 2011. (AP Photo/Seth Wenig)

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**FILE** Glen Perkins delivers copies of the fiscal 2012 budget to the Senate Budget Committee hearing room in Washington on Feb. 14. (Bloomberg)

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House Budget Committee Chairman Paul Ryan, R-Wis., left, and the Senate Budget Committee's top Republican, Sen. Jeff Sessions of Alabama, right, give the GOP response to President Obama's budget submission for Fiscal Year 2012, on Capitol Hill in Washington, Monday, Feb. 14, 2011. (AP Photo/J. Scott Applewhite)

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A vendor selling roses and another selling heart-shaped balloons wait for Valentine's Day customers in Beijing on Monday, Feb. 14, 2011. (AP Photo/Ng Han Guan)

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Copies of the U.S. government budget for fiscal 2012 are stacked up at the U.S. Government Printing Office in Washington on Monday, Feb. 14, 2011. (AP Photo/Alex Brandon)

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Denver Nuggets' Carmelo Anthony (15) scores against Dallas Mavericks Tyson Chandler, right, in the closing seconds of the first quarter of an NBA basketball game in Denver on Thursday, Feb. 10, 2011. (AP Photo/Joe Mahoney)

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Rep. Robert E. Andrews, New Jersey Democrat, speaks to reporters on Capitol Hill about rejecting spending cuts in education on Friday, Feb. 11, 2011, in Washington. He is joined at right by Rep. Timothy H. Bishop, New York Democrat. (AP Photo/J. Scott Applewhite)

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** FILE ** In this Feb. 10, 2011, photo, traders work on the floor of the New York Stock Exchange. (AP Photo/Mark Lennihan)

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Stephen Elop CEO of Nokia, left, with CEO of Microsoft Steve Ballmer, speaking in London, as he announces the strategic partnership with Microsoft on Friday, Feb. 11, 2011. (AP Photo/Alastair Grant)

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The structure of an electric car differs considerably from that of a conventional car — and the new components pose a number of new safety challenges.

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The condominium homes range in size from 1,465 to 1,703 square feet. Buyers can add an electric fireplace to the living room.

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A fire rages out of control in a block of row houses after a natural-gas explosion on Wednesday evening, Feb. 9, 2011, in Allentown, Pa. (AP Photo/Rich Schultz)

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MOVERS: Republican leaders in the House leave a luncheon with President Obama on Wednesday. From left are: Speaker John A. Boehner of Ohio, Majority Whip Kevin McCarthy of California and Majority Leader Eric Cantor of Virginia. They discussed spending and the national debt. (Associated Press)