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Allan McDonald in 2016 with a commemorative poster honoring the seven astronauts killed aboard the space shuttle Challenger, and McDonald's attempt to postpone the launch. Howard Berkes/NPR hide caption
Allan McDonald in 2016 with a commemorative poster honoring the seven astronauts killed aboard the space shuttle Challenger, and McDonald's attempt to postpone the launch. Howard Berkes/NPR hide caption
Remembering Allan McDonald: He Refused To Approve Challenger Launch, Exposed Cover-Up
Weeks before the 1980 census officially began, the Federation for American Immigration Reform launched its campaign to exclude unauthorized immigrants from population counts that, according to the Constitution, must include the "whole number of persons in each state." Ernie Leyba/The Denver Post via Getty Images hide caption