New reporting has put the Chechen warlord’s health in the headlines once more. But there are other, subtler, signs that the republic might be preparing for a regime change. Chechen warlord Ramzan Kadyrov is used to speculation about his imminent demise. Pundits have discussed the 47-year-old’s failing health since September when the Chechen leader disappeared from the public eye, andrumors began to circulate that he was seriously unwell. In the months since Kadyrov’s appearance had changed, his face appeared swollen, and his words sometimes slurred. Russian news outletNovaya Gazeta Europe repo…