“Escalation is back,” U.N. Secretary-General Antonio Guterres warned Tuesday. Laying out his goals for 2020, Guterres said he wants to break vicious dynamics and create a “virtuous circle” that leads to progress.

“Escalation is back,” U.N. Secretary-General Antonio Guterres warned Tuesday. Laying out his goals for 2020, Guterres said he wants to break vicious dynamics and create a “virtuous circle” that leads to progress.