(CNN) Now that the Christmas holiday has passed without a "gift" from the North Korean regime, US officials are puzzled why Kim Jong Un chose not to conduct a weapons test so far. The Trump administration had widely interpreted the North Korean promise of a "Christmas gift" to mean a weapons test, especially as intelligence indicators grew. "Maybe it's present where he sends me a beautiful vase as opposed to a missile test. It is not known, however, what the threshold of North Korean action would be to generate a US response. North Korea has fired several short-range missiles in recent months without any US military response.

Source: CNN December 26, 2019 19:41 UTC