Sources: Teamsters to endorse Obama
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The International Brotherhood of Teamsters plans to endorse Sen. Barack Obama for president, two Democratic sources tell CNN.
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Sen. Kennedy, Rep. Kennedy endorsing Obama, expect to campaign for Democrat ... Romney criticizes McCain's legislative history ... Author Toni Morrison cites Obama's vision in announcing her support.
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The Philadelphia Inquirer endorsed Democrat Barack Obama and Republican John McCain Saturday for their parties' presidential nomination.
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They can be found rallying union workers, walking picket lines or helping sign up new members. Democrats running for president are after something else this time of year: the endorsements of the oh-so-important labor unions.
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Major labor endorsements made in the 2008 Democratic presidential primary:
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U.S. Democratic presidential  hopeful John Edwards won labor union backing on Monday from  steelworkers and mineworkers, putting him ahead of rivals in  declared union support, his campaign said.
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On the heels of his victory in South Carolina, Senator Barack Obama is set to receive the endorsement of Senator Edward M. Kennedy on Monday.
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The Democratic candidates compete for a powerful endorsement from the service employees union.
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Hillary Rodham Clinton is endorsed by Senator Evan Bayh of Indiana. Barack Obama gains the support of a former chairman of the Iowa Democratic Party, who is a fixture on the Iowa political scene.
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Sen. Barack Obama was drawing strong support across race and gender lines Tuesday in Virginia in a bold grab at some of the core backers of his rival for the Democratic presidential nomination, Sen. Hillary Rodham Clinton.
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The International Association of Machinists and Aerospace Workers on Thursday endorsed Democrat Hillary Rodham Clinton and Republican Mike Huckabee in the presidential primaries, while John Edwards picked up the backing of the carpenters' union.
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SIOUX CITY, Iowa  - Democratic presidential candidate Barack Obama was buoyed on Tuesday by some good news in an Iowa opinion poll but warned his backers they need to show up and vote this week if they want him to win.
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Trade unions split between Obama and Clinton as accusations fly of attempts to intimidate voters
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The Service Employees International Union has postponed its presidential endorsement until next month, underscoring divisions within the powerful labor group over front-runner Hillary Rodham Clinton, sentimental favorite John Edwards and latest star Barack Obama.
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The United Food and Commercial Workers endorsed Senator Barack Obama on Thursday, while members of another giant, the Service Employees International Union, were casting votes Thursday night.
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Bill Bradley, a former presidential hopeful and senator, planned to endorse Barack Obama for president on Sunday, Obama's aides said.
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Massachusetts Gov. Deval Patrick, a one-time Clinton administration aide, has decided to endorse Barack Obama over rival Hillary Rodham Clinton in the Democratic presidential primary, The Associated Press has learned.