Mike Allen Jul 30
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North Korean threat rising rapidly
South Korea's Hyunmoo II Missile system, left, and U.S. Army Tactical Missile System, right, fire missiles during a combined military exercise against North Korea. (South Korea Defense Ministry via AP)

Despite certain distractions, you need to re-focus on what President Obama said would be President Trump's biggest immediate national-security worry: North Korea. This is one thing Obama said that Trump believes.

Amid the internal and external mayhem, I can tell you from my private conversations that the West Wing believes the danger is accelerating and escalating.

A senior administration official: "The threat has significantly worsened."