We also became aware of a young man of 17 who was following us. A few minutes later, Congressman Charles Vanik opened the window and started singing the legendary "Zippy-de-do-dah, zippy de day ." Later, the US embassy discouraged the idea, cautioning that it would put both us and the young man at jeopardy. A few years later, Ding Yi showed up in Washington DC and enrolled at American University. His name was Ding Yi Jin, that dear young man we met on the streets of Shanghai in 1980.