Unannounced visit: US NSA in Pakistan with tough message on April 18, 2017ISLAMABAD: US National Security Advisor Lieutenant General HR McMaster arrived in Pakistan on Monday on an unannounced visit, a day after he hinted that Washington could take a tougher stance with Islamabad. It was the first visit by a top member of President Donald Trump’s administration to the militancy-hit country. At his previous stop in […]