The most ominous threats in 2018 — nuclear war on the Korean Peninsula and a spiralling confrontation pitting the United States and its allies against Iran — could both be aggravated by Trump’s actions, inactions, and idiosyncrasies. U.S. demands (in the North Korean case, denuclearisation; in Iran’s, unilateral renegotiation of the nuclear deal or Tehran’s regional retreat) are unrealistic without serious diplomatic engagement or reciprocal concessions.

Read Here – International Crisis Group