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1. Are car-free days a solution to metropolitan pollution?
2. What does a simplified tax code look like?
3. Is Bernie Sanders making a strategic error in deciding not to directly attack Hillary Clinton?
4. Should more states use the SAT or ACT as their statewide achievement test?
5. When religious liberty conflicts with the U.S. Constitution, which side should prevail?
6. Is Saudi Arabia America’s closest ally in the Middle East?
7. What regulations should be imposed on civilian drone use?
8. Should the U.S. recalcuate how unemployment is measured?
9. How can the next Democratic presidential nominee keep the Obama coalition together?
10. Which three Republican presidential candidates should immediately drop out of the race?