Last November they said there would be no new trade barriers.
In London in April, they solemnly promised, "We will not repeat the historic mistakes of protectionism of previous eras."
Since the onset of the global economic crisis, G-20 leaders have made repeated promises to reject protectionism.
But a new report says that, in fact, protectionism is on the rise -- and that G-20 states are among the main offenders.
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