Beijing also lashed out at the US after Secretary of State Clinton said China should examine the "dark events" of its past.
Citizens have grown more vocal about their rights, even though China's political outlook hasn't changed much since 1989
Laura Ling and Euna Lee, nabbed along the Chinese-North Korean border, have become players in a much larger drama.
A survey of 23 experts finds deep concern about Beijing's large dollar holdings
Other Internet services, like Hotmail and Flickr, also appear to have been blocked ahead of June 4.
Higher US rates signal an economy on the mend, but they could also extend the housing slump and add to the federal debt.