Lieberman sees 20 swing votes on carbon [dioxide] caps, warns again ‘false’ bill - The Hill's E2-Wire

...Lieberman, appearing on CNN’s “State of the Union,” said there are 50 senators that want to put a price on emitting carbon, 30 against it and 20 members who are undecided.
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“The difference between a really strong energy independence bill and one that just is called an energy independence bill is whether we are willing to put a cap on carbon [dioxide] pollution and a price on carbon [dioxide] pollution,” he said.