US Ambassador Anne Peterson called on PML-N leader Mian Nawaz Sharif in Raiwind. Former Chief Minister of Punjab Shahbaz Sharif and Chaudhry Nisar were also present during the meeting. According to sources, during the meeting, Nawaz made it clear to US ambassador that he would not compromise on principles. We don't want to seize parliament. He said President Zardari should fulfill promises.