British Prime Minister David Cameron (R), looks at a computer during a workshop about ways to report suspicious on-line activity, at Ninestiles Academy in Birmingham, central England, on July 20, 2015, before delivering a speech on counter radicalisation. Conspiracy theories of a powerful Jewish cabal or a Western plan to destroy Islam must be challenged in efforts to counter radicalisation, Cameron said. AFP PHOTO / POOL / PAUL ELLIS (Photo credit should read PAUL ELLIS/AFP/Getty Images)
