Kim Jong Un has turned 40, but he's forgoing a big celebration. Experts say he probably feels like he hasn't achieved enough for his age.

Kim Jong Un has turned 40, but he's forgoing a big celebration. Experts say he probably feels like he hasn't achieved enough for his age.

North Korean leader Kim Jong Un visits a construction site in Russia on September 13, 2023.Contributor/Getty Images <ul><li>Kim Jong Un turned 40 on Monday, according to the US.</li><li>But he is sk… [+2621 chars]

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