"¿Es posible una confrontación nuclear entre Estados Unidos y Corea del Norte? ¿Cuán real es la amenaza y cómo afectaría al resto del mundo? Tanto Kim Jong-un como Donald Trump han intercambiado amenazas verbales nunca antes vistas.

Is a nuclear war between the United States and North Korea possible? For Scott Snyder, one of the world's foremost experts on North Korea and member of the Council of Foreign Relations, the answer is yes. Watch as he explains why this is one the most difficult conflicts of our existence.