One of the nation’s largest unions is accusing President Obama of betraying workers and the labor movement by blocking the Keystone Pipeline and is backing up its rhetoric with campaign donations to Republicans, according to The Washington Free Beacon.

The Laborers’ International Union of North America said that Obama’s bow to environmentalists meant that he was more concerned with “elitists” and “his legacy” than with helping workers provide for their families.

Obama on Friday said the administration would not approve the long-awaited TransCanada pipeline.

LIUNA represents about 500,000 workers in the construction industry, one of the sectors hardest hit by the 2008 economic collapse. Keystone, which supporters say was expected to create 42,000 construction jobs, has been awaiting approval for about seven years.

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