There'll be a show-down in the U.S. Senate today. At issue: Whether the Environmental Protection Agency (EPA) should regulate greenhouse gas emissions (GHGs) under the Clean Air Act.
On one side of the debate is the administration, which is threatening a veto if the Senate passes a resolution of disapproval stopping the EPA's proposed regulation OF GHGS. On the other side stands Sen. Lisa Murkowski (R-Alaska) and the resolution's co-sponsors.
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