In a moment when humanity stands at the threshold of its most consequential technological decisions, Senator Bernie Sanders has introduced legislation that would draw a hard boundary around artificial superintelligence — forbidding its development entirely while creating a new federal Department of AI to govern the broader landscape. The proposal, among the most restrictive AI governance measures yet offered in Congress, reflects a deepening conviction in some quarters that certain technologies carry risks too profound for oversight alone to contain. Whether this line in the sand becomes law o