"After being swept into power with the left-wing Syriza party, Varoufakis attempts to renegotiate Greece's relationship with the EU--and sparks a spectacular battle, with global implications. Varoufakis's new position sends him ricocheting between mass demonstrations in Athens, closed-door negotiations in drab EU and IMF offices, and furtive meetings with power brokers in Washington, D.C. He consults and quarrels with Barack Obama, Emmanuel Macron,...