Lawson: Euro Currency `A Complete Disaster'

Former U.K. Chancellor Nigel Lawson criticizes the single European currency calling it "a complete disaster."

Meltdown: The Science Behind Climate Change
49:26 - This week in Paris negotiators from 195 countries will try to reach a deal aimed at reducing global carbon emissions. But what do scientists generally accept as damage to the earth? And how was it all caused? Bloomberg's Tom Gibson explains. (Video produced by Tom Gibson and Austin Brown)
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