Frustrated by Islamabad’s continued refusal to sever ties with jihadist networks, US President Donald Trump’s administration has begun to evolve a full range of measures to put pressure on Pakistan that range from economic pressure using international financial bodies to stepped-up lethal action against key terrorist leaders, Washington-based diplomatic sources have told The Indian Express. In a tweet at 4 am January 1, President Trump said the United States had “foolishly given Pakistan more than 33 billion dollars in aid over the last 15 years, and they have given us nothing but lies & deceit” — the latest in a series of angry comments by top leaders, including vice president Mike Pence. Even though the statements have not been followed by action, sources said these were…