Congress is vulnerable to a paralyzing terrorist attack

# Why This Matters Congress's exposure to a mass casualty attack represents not just a physical security concern but a fundamental constitutional vulnerability with cascading consequences for American governance. If a terrorist attack killed or incapacitated enough House members to fall below the 218-vote quorum needed for legislative action, the government could lose the ability to pass budgets, authorize military operations, or respond to crises for months—a paralysis deliberately engineered into our system through the House's dependence on state-controlled special elections rather than temporary appointments. This isn't a theoretical edge case: the 136-day average to fill vacancies means even a moderate-scale attack could cripple legislative function precisely when decisive action matters most, whether responding to the attack itself or addressing its economic fallout. Fixing this requires either amending House rules to permit temporary replacements or fundamentally restructuring how vacancies are filled, making it a rare security issue where constitutional design and counterterrorism strategy collide.