By Arshad Mohammed NEW YORK (Reuters) - Secretary of State Hillary Clinton pressed Pakistan in 3-1/2 hours of talks on Sunday to attack the Haqqani network militant group Washington blames for a recent attack on the U.S. embassy in Kabul, a senior U.S. official said. The official, who spoke on condition of anonymity, said the issue of counterterrorism in general and the Haqqani network in particular were the first and last topics discussed by Clinton and Pakistani Foreign Minister Hina Rabbani Khar. Read More...