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1. What would be the biggest global consequence of a Brexit?
2. How will the Cologne attacks affect Angela Merkel’s position on migrants?
3. Should Saudi Arabia list part of Saudi Aramco?
4. Will Spain end up holding new elections in May?
5. Should the EU impose sanctions on Poland?
6. Will Chinese economic difficulties produce a global currency war?
7. What steps should the international community take against North Korea for conducting its fourth nuclear test?
8. How can the EU prevent the collapse of the Schengen travel zone?
9. Is Nicolas Maduro driving Venezuela toward civil war?
10. How will growing tensions between Iran and Saudi Arabia affect the Syrian peace process?