Are U.S.-N.Korea tensions more dangerous this time?

Tensions between the United States and North Korea, which have flared from time to time through the years, are high again.
North Korea should not test “the strength of the armed forces of the United States in this region,” Vice President Mike Pence warned Monday in Seoul, South Korea. Over the weekend, North Korea had tested another missile, which blew up shortly after it was launched.
Are you more concerned about the rising tensions now than in similar flare-ups of tension in the pa