By Kanishka Singh WASHINGTON (Reuters) – The U.S. Treasury Department’s top international official spoke with Zambia’s finance minister on Wednesday and discussed Zambia’s ongoing debt restructuring and its response to a recent cholera outbreak, the U.S. Treasury Department said. Zambia faces a major cholera outbreak that has killed at least 333 people since October, with over 8,000 cumulative cholera cases during this period, according to the website of the U.S. Embassy in Zambia. U.S. Treasury Under Secretary for International Affairs Jay Shambaugh reiterated the U.S. government’s “commitmen…