McMaster is out, an even bigger North Korea hawk is in  

Trump is replacing his national-security adviser with John Bolton, a persistent advocate of military intervention.

On Thursday, Donald Trump replaced a man who built the case for war with North Korea as a last resort with a man who just made the case for war with North Korea as more of a first resort. Trump announced that National-Security Adviser H.R. McMaster will be succeeded by John Bolton, the George W. Bush-era United Nations ambassador who has advocated for U.S. military action to prevent Saddam Hussein, Ayatollah Khamenei, and most recently Kim Jong Un from amassing weapons of mass destruction.

North Korea is an “imminent threat” to America because it is only months away from achieving the capacity to deliver nuclear warheads to the U.S. mainland, Bolton wrote in late February in The Wall Street Journal. Therefore “it is perfectly legitimate” for the U.S. to defend itself “by striking [North Korea] first.”

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