Campaigning in Greece has ended ahead of a crucial election on Sunday which could determine its future in the eurozone. At a final rally, the head of the conservative New Democracy Party billed the vote as a choice between keeping the euro and returning to the drachma. Rival party Syriza says it wants to stay in the euro, but opposes the terms of an international bailout. Unofficial polls have put the two parties neck and neck. Sunday's vote is being watched around the world, amid fears that a Greek exit from the euro could spread contagion to other eurozone members and send turmoil throughout the global economy. The election, the second in six weeks, was called after a vote on 6 May...