From the LA Times, a remarkable transformation is taking place:
And as hard-liners repeated their signature cries of "Death to America" and "Death to Israel," Mousavi supporters overwhelmed them with chants of "Death to Russia" and "Death to China," referring to the two U.N. Security Council members that have shielded Iran from much tougher sanctions over its nuclear program.
See also: this and this. (Don't you hate when people do that? The links are a video of the "death to Russia" chant and a blogged eyewitness account, respectively.)