Top global risks facing the world in 2018
As 2018 gets underway, we're taking a closer look at some of the most daunting challenges facing the world in the new year. The Eurasia Group, a leading political research and consulting firm, published a new list highlighting the top geopolitical risks for 2018. Eurasia Group founder and CBS News senior global affairs contributor Ian Bremmer takes CBSN through the report.