"This is to be a political selection, with one from each country," Rechtman quotes Neschling as telling him at a closed-door meeting in April just before he was fired. "Let's select three Chinese, but we must make sure there are more Brazilians than Chinese. After all, this is a Brazilian competition."
One often hears complaints about the various "politics" of compettitions, but I think this enters into a whole new realm. No? Read the rest here.
There also a post from Rechtman explaining the selections. You find it here.