Opinion: Has David Cameron really gone to war on encryption?

UK Prime Minister David Cameron's response to the hideous Charlie Hebdo shootings has been dramatic to say the least – and has in turn provoked intense reactions from people in the tech industry, the tech community, privacy activists and political commentators. The reactions are varied, but none are positive. For some, Cameron has revealed him to be an ignoramus of monumental proportions. Others see him acting as the consummate politician, playing and spinning for all he's worth. Perhaps he's