Article Photos: Cameron proposes British vote on EU relationship 6/6

Britain's Prime Minister David Cameron reaches out to shake hands as he is greeted upon his arrival to deliver a speech on holding a referendum on staying in the European Union in London, Wednesday, Jan. 23, 2013. Cameron said Wednesday he will offer British citizens a vote on whether to leave the European Union if his party wins the next election, a move which could trigger alarm among fellow member states. (AP Photo/Matt Dunham)