British Prime Minister David Cameron delivers his keynote speech on the final day of the annual Conservative Party Conference in Birmingham, central England, on October 1, 2014. Talk of treason cast a shadow over Britain's Conservative party conference this week, where gossip raged over who might be next to defect to the anti-EU UK Independence Party (UKIP).   AFP PHOTO / LEON NEAL        (Photo credit should read LEON NEAL/AFP/Getty Images)