turkey. and a tit for tat followed. the lira has seemed to be in free fall at times, raising concerns about the stability of this nation of 80 million people. turkey is a member of nato, hoest of an important american air base, and it sits as an important buffer between europe and the middle east. so is an unstable turkey what the world needs right now and are economics america's favorite new weapon? joining me now, stephen cook is a senior fellow at the council of foreign relations. rana fula is cnn's global economic analyst. stephen moore was a top economic adviser to donald trump's 2016 campaign. he is a senior economics analyst for cnn. steve cook, let me begin by asking you to help us understand what is happening in turkey, because this is one of closest alliances the united states has had geopolitically for 60 years,