ASSOCIATED PRESSBritain's Prime Minister and Conservative Party leader David Cameron and his wife Samantha arrive to vote at a polling station in Spelsbury, England, as they vote in the general election, Thursday, May 7, 2015. Polls have opened in Britain's national election, a contest that is expected to produce an ambiguous result, a period of frantic political horse-trading and a bout of national soul-searching. (AP Photo/Alastair Grant)
