While North Korea's recent advancements in nuclear technology present new challenges to the U.S. in keeping international peace, Americans have long had North Korea on their radar as a threat.
Americans' impressions of six major sectors of the U.S. economy grew significantly more positive this year. Others improved slightly, while none lost ground.
President Trump's job approval rating is at 34% for the three-day period from Friday through Sunday -- by one point the lowest of his administration so far.
Republicans and Democrats have increasingly different views on many policy and social issues, but on several, the party gap has not changed or has even narrowed.
Donald Trump's job approval rating, currently at 39%, has not changed materially over the past four months and remains highly polarized.