Transcript for Michelle Obama's Message to China: Free Speech
Now to China this evening. It was last night we told you about the unexpected moment with first lady Michelle Obama. And her daughters visiting that country. China coming out to greet the first lady and her daughters. It was not on the itinerary. China's glamorous first lady. A major pop star said it feelings like we're old friends. It's believed the first lady would shy away from hot issues but tonight she's making headlines over what she said about the internet. I want to bring in chief global affairs correspondent. Martha Raddatz tonight. Expressing freedom of speech. She did indeed. China has some toughest restrictions on the internet but the first lady told a group of Chinese and American students that unfettered access to the internet is crucial because quote, that's how we discover the truth. Here's more of what she said. Time and again we have seen that countries are stronger and more prosperous when the voices of -- and opinions of all citizens can be heard. Reporter: Of course, Mrs. Obama is not the first lady to take on issues. While in China her two predecessors laura bush and Hillary Clinton. Both pressing issues like human rights and democracy during their trips to China. But this made headlines because the white house had said Mrs. Obama would shy away from political issues but access to the internet is very much a hot button issue particularly among the young people of China. I suspect some of them welcomed the comments. Thank you. And Martha is filling in for George right here on ABC's this week. We move on and to the major
This transcript has been automatically generated and may not be 100% accurate.