U.S. President Barack Obama has started reaching out to some of Pakistan's most fervent Islamist and anti-American parties, including one that helped give rise to the Taliban, trying to improve Washington's image in the nuclear-armed state. Obama's special envoy, Richard Holbrooke, is initiating dialogue between the United States and religious parties previous administrations had largely shunned, both sides said. John Bolton, U.S. ambassador to the United Nations during the Bush presidency, questioned Holbrooke's timing for trying to engage Taliban sympathisers on the eve of elections in neighbouring Afghanistan, where U.S. forces are battling the hardline Islamic group. "As a general...