LONDON -- In a reshuffle aimed at broadening its appeal, the opposition Conservative Party appointed its first female chairman Tuesday, firing an incumbent who had reportedly clashed with party leader Iain Duncan Smith. The promotion of Theresa May, 45, the Tories' transport spokeswoman, continued her rapid rise in the party which began when she was elected to the House of Commons in 1997. David Davis, the current party chairman, was shifted to another position in the Conservative front ranks. News reports said he had been ousted for failing to push through reforms, including recruit more women and minority candidates to...