Vice-president Biden reveals US forces will step up operations in Afghanistan and Pakistan. The Obama administration warned the US public yesterday to brace itself for an increase in American casualties as it prepares to step up the fight against al-Qaida and the Taliban in Afghanistan and the border regions of Pakistan. Against a background of widespread protests in Pakistan and Afghanistan over US operations since Obama became president, the vice-president, Joe Biden, said yesterday that US forces would be engaged in many more operations as it takes the fight to its enemies in the region. The Obama administration is to...