Enough is enough. In a speech to the US Department of Justice last week, Barack Obama said that the National Security Agency's powers to crawl through its stash of cellphone metadata will be curtailed - but a few key issues were still not addressed. The web of metadata that an innocent person can be caught in is to shrink, Obama said. "Effective immediately, we will only pursue phone calls that are two steps removed from a number associated with a terrorist organisation instead of three," he said. A review due on 28 March will decide how bulk metadata is to be handled.
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