North Koreans can’t tell if their leader is seriously dead. Americans can’t tell if their leader is dead serious.
Explanation: This joke contrasts perceptions of leadership in North Korea and the United States. The first part highlights the uncertainty North Koreans might have regarding the true condition of their leader, Kim Jong-un, who has had health rumors. The second part refers to how Americans may question the seriousness of their recent leaders, implying that political discourse can be confusing or ambiguous.