With Vice President Pence en route to the Korean Peninsula, North Korea attempted a missile launch that failed on Saturday evening (ET), the South Korean government said.
What it means: Inside of 100 days of his presidency, Trump faces a huge provocation, and a massive challenge to diplomatic and military machinery that are new to his teams. North Korean leader Kim Jong-un appears to want war, and China has warned the tensions could spiral out of control. It's Trump's biggest test.
