1. Can higher tariffs convince Mexico to do more to keep migrants from entering the United States?
2. How should the U.S. fight the next economic downturn?
3. Should Kamala Harris embrace her centrist credentials?
4. Who should the U.S. support in the Libyan civil war?
5. Which Democratic presidential underdog is best positioned for the Iowa caucuses?
6. Will growing divisions over Israel cause the Democratic Party to lose Jewish voters?
7. Should the U.S. embrace nuclear power?
8. Is Google a monopoly?
9. Should Facebook users enjoy a reasonable protection of privacy?
10. Is Texas heading for a major water crisis?