Kurdistan’s political crisis over the tenure and powers of President Massud Barzani is deepening, with the head of Parliament vowing to press ahead with new legislation that would reconfigure how the region is governed.Barzani’s final term in office expires midnight Wednesday. Kurdistan’s regional Parliament has scheduled a final reading that day of a draft law that, if passed, would strip Barzani of much of his power and make the president electable by MPs.The legal picture clouded…