August 1, 2013- Pakistani Prime Minister Nawaz Sharif (R) holds talks with US Secretary of State John Kerry (L) during their meeting at the Prime Minister's House in Islamabad. Kerry said that he was confident Washington would reach an agreement with Kabul that would allow American troops to remain in Afghanistan beyond 2014. "We're making progress, we're working on it. I am personally confident that we will have an agreement," Kerry told reporters after talks with the Pakistani government in Islamabad. Kerry invited Pakistan's Prime Minister Nawaz Sharif for talks with President Barack Obama during a visit to Islamabad.