Pakistan’s President Pervez Musharraf on Saturday congratulated President Hamid Karzai on his election victory and said the neighbors needed to increase cooperation in the war on terror.Both Pakistan and Afghanistan are key allies of the United States in its war on terror, but relations have been tense at times, particularly over Afghan accusations that anti-government rebels find sanctuary in Pakistani border regions. Musharraf became the first head of state to travel to Afghanistan to congratulate Karzai for his Oct. 9 victory and praised Afghanistan for a successful election.Full Story