PESHAWAR: Physical and technological obstacles, coupled with the intransigence of former first lady Bushra Bibi, foiled last ditch efforts to peacefully resolve the issue of PTI’s protest march towards Islamabad’s D-Chowk, credible sources familiar with behind-the-scenes efforts told. The government also blames her for “sabotaging” the negotiations for an alternate protest venue and “orchestrating” violence by the party’s supporters. Barrister …