Keystone pipeline bill fails in Senate

A bill to approve the Keystone XL oil pipeline failed in the Senate on Tuesday by just one vote, in a setback not only for the energy project but the politically imperiled Democratic senator who pushed the legislation.

The bill failed by a 59-41 vote, when it needed 60 to pass, according to Fox News.

Sen. Mary Landrieu, D-La., the bill's sponsor, is facing a tough runoff election next month.

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