Is it ensure, insure, or assure?
Stupid, unfeeling, machinelike people; zombie: Have body snatchers invaded America's airwaves? Is this pure pop for pod people?/ And find you're a bug. A pod person?
[1956+; fr the extraterrestrial creatures depicted in the 1956 movie Invasion of the Body Snatchers, who spawn in pods and take over the bodies of human beings; based on a novel by Daniel Mainwaring]