ISLAMABAD: Federal Minister for Information Attaullah Tarar said on Wednesday that parliament, which is the supreme institution, has converted a rule into a law to stop floor crossing, as envisaged in the Constitution. Speaking at a presser, he said PML-N’s Bilal Azhar Kayani had presented the Elections Act (2nd Amendment) Bill in the National Assembly, whereas Senator Talal Chaudhry moved it in the Senate. …