What’s known, and not known, about the partnership agreement signed by Russia and North Korea

Both Russian President Vladimir Putin and North Korean leader Kim Jong Un say a new strategic partnership is a breakthrough, but what it means for their relationship is still uncertain. While the agreement could represent the countries’ strongest deal signed after the Cold War, there are differing opinions on how strong the security commitment is. Here’s a look at what is known about the new partnership — and what is still unclear.