Oversight mechanisms for American aid to Ukraine are effectively preventing fraud and diversion, according to Congressional testimony from those involved. Nicole Angarella, the acting deputy inspector general for the U.S. Agency for International Development (USAID), said there is no evidence that direct assistance to embattled Kyiv has been fraudulently or otherwise diverted from its intended purposes. “I want to be clear that providing timely, impactful, and independent oversight of USAID’s Ukraine response is my office’s top priority,” Angarella said. “From our substantiated work that we’ve done thus far, we have not identified any instances of fraud or misuse with respect...