David Cameron, U.K. prime minister and leader of the Conservative Party, right, arrives with his wife Samantha Cameron, to deliver his speech on the closing day of the Conservative Party annual conference in Manchester, U.K. on Wednesday, Oct. 7, 2015. Cameron will set out changes to planning rules to encourage house-builders to deliver more of the homes for young people that his government has promised. Photographer: Simon Dawson/Bloomberg via Getty Images
