Martin J. Siegel’s 2023 book on a participant in this event notes that when Floyd Abrams met him years later, he immediately pulled out Arthur Schlesinger’s op-ed defending his actions. The New York Times ran the “Invitation to a Vendetta” when the ACLU tried to re-investigate this event, the subject of Louis Nizer’s The Implosion (-5[1])Conspiracy. During this event, David Greenglass was implicated by Harry Gold, who had himself been implicated by (*) Klaus Fuchs. The Venona Project helped identify the targets of this event, who, on the orders of Judge Irving Kaufman, (10[1])were hurriedly executed before the start of the Sabbath. For 10 points, name this event in which an American couple was convicted for passing atomic secrets to the USSR. ■END■ (10[1])