Let us not forget the university students and labor unions... Anything that remotely smacks of 'America' will be protested by them.
Free trade = America
Right. They will be there, too. They will form a real militant core. This time, a majority of protest body would be filled by farmers who don't usually show up other kind of anti-American or pro-North leftist rallies because they think their livelihood is under threat from APEC agenda.