Dark clouds hover over Pakistan's political landscape. Chief of Tehrik-e Insaf, Imran Khan has threatened to lay siege to Islamabad while Prime Minister Nawaz Sharif faces growing pressure on many fronts including corruption charges stemming from Panama leaks and tense civilian-military relations. The former army chief, General Mirza Aslam Beg, sees parallels between this and the 1977 agitation that led to Bhutto's overthrow by the military.
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