 Also on this date, 1972, the Nixon administration announced a deal to sell $750 million in grain to the Soviet Union. However, the Soviets were also engaged in secretly buying subsidized American grain, resulting in what critics dubbed the Great Grain Robbery. Also on this date, 2010, the largest spy swap between the U.S. and Russia since the Cold War unfolded as 10 people accused of spying in suburban America died.