From globeandmail.com:

CBC Television abruptly cancelled a featured Falun Gong documentary just hours before it was to air on Tuesday night, prompting complaints that the network bowed to pressure from Chinese government officials.

The network, which had actually already broadcast the documentary once in English and once on its sister French service, Radio-Canada, switched the program at the 11th hour to rerun a piece about Pakistani leader Pervez Musharraf.

A CBC spokesman said the network is simply doing its “due diligence” in holding Beyond The Red Wall: The Story of Falun Gong for prime time, in order to make it “more solid” before airing it at an unspecified date.

“If there is re-editing that's required, we're going to do that,” CBC spokesman Jeff Keay said. He confirmed the network had been talking with Chinese diplomats who had expressed concerns about promotions the CBC had aired in the runup to this week's broadcast.  ...

The Canadian director of Beyond The Red Wall says he has no intention of re-editing a piece that he spent three years working on. “We have to quote-unquote give balance,” veteran filmmaker Peter Rowe said in an interview. “… I've never experienced anything like these kinds of demands.”