Since the start of the impeachment inquiry, the words “Ukraine” and “corruption” have been uttered thousands of times here in the US. But what does corruption in Ukraine actually look like, and how does it function? The World’s Daniel Ofman traveled to Kyiv to find out.Editor’s note: In the on-air version of this story, we stated mistakenly that Volodymyr Zelenskiy was elected president of Ukraine in 2018. He was elected in 2019.