Many Americans are justifiably frightened by what is happening to our country. But protecting our democracy requires more than just fright or outrage. We must be humble and bold. We must learn from other countries to see the warning signs--and recognize the false alarms. We must be aware of the fateful missteps that have wrecked other democracies. And we must see how citizens have risen to meet the great democratic crises of the past, overcoming their own deep-seated divisions to avert breakdown.