When I'm watching somebody act, it's a behavior editorial function - I look at someone act, and I might say, 'I don't believe him when he says that.' I don't know why I don't believe him, probably because the people that I've met, they don't act like that when they say stuff like that and mean it.
The population forecast for the United States in 1970 is 170 million. The population forecast for Russia alone in 1970 is 251 million. The implications are clear.