AvatarLance Dublinflipped into PicksAvatarAvatarPM Cameron resigns as UK votes to leave EUverified_publisherCNNLondon CNN — The United Kingdom’s historic Brexit vote to leave the European Union triggered the resignation Friday of British Prime Minister David Cameron and wreaked havoc on global markets. There was a mixture of jubilation and tearful disbelief in the UK as people awoke to the final result from …