(Bloomberg) US Treasury Secretary Janet Yellen said at a summit in Paris that she was encouraged by China’s role in addressing debt challenges facing developing countries after a restructuring agreement in principle was reached for Zambia.Most Read from BloombergTitanic Sub Crew Dead After Vessel’s Catastrophic ImplosionThese Are the World’s Most (and Least) Liveable Cities in 2023US Navy Detected Titanic Submersible’s Implosion Days AgoFive-Star Hotel Guest Leaves Without Paying After 603-Ni