Mr. Yu was released Dec. 13, 2010, but the harassment did not end.
“Most of the time, I was unable to go to church or attend Bible study meetings and could not regularly practice my faith as a Christian,” he said.
“To me, that was a very painful thing.”
Eventually he decided to flee.
“I had no choice but to leave China, to make a complete break from the fascist, barbaric and brutal regime,” he said.
She said “rhetoric in defense of human rights by governments like the U.S. is helpful.”
She added, however, that “without meaningful and actionable policy consequences for a [country’s] failure to improve, it is likely the rhetoric doesn’t get us very far.”
Chinese Vice President Xi Jinping is due to visit Washington in February.
He said promises he made were “null and void” because they had been extracted by torture and coercion.
On Wednesday, Mr. Yu met with Michael Posner, the assistant secretary of state for democracy, human rights and labor, and Rep. Frank R. Wolf, Virginia Republican and co-chairman of the Tom Lantos Human Rights Commission.
Mr. Yu also intends to file a complaint with the U.N. Human Rights Council.
“I have already attained my hard-won freedom and security; to speak out for my compatriots who have neither freedom nor security is a responsibility and a mission that I cannot shirk,” he said.