North Korea’s leader has grown more assertive since their last efforts at diplomacy ended in failure — and now has Russia at his side.

Robert Carlin and Hecker write a hypothetical Kim-to-Trump letter based on their understanding of the situation on the Korean Peninsula.

The new U.S. administration wants to reopen talks about denuclearization with the regime in Pyongyang. But experts say President Donald Trump risks provoking new tensions, including with South Korea.