The U.S. Supreme Court ruled 50 years ago that state laws against interracial marriage were unconstitutional. But as that case was wending its way through the courts, less than half of Americans agreed.
Trump's decision to pull out of the Paris Agreement pits climate change concerns against concerns about jobs and the economy. Americans have deep interest in issues on both sides and will probably react along partisan lines.
White Americans became less racially resentful during the Obama years compared with the years before he took office. This change was evident among independents and Democrats, but not among Republicans.
Long before Amazon made shopping at big-box stores and malls seem old fashioned, "chain stores" were the disruptive force in American commerce.
Eight in 10 Americans said in 1999 that Columbine was not an isolated incident, but rather a sign that something was "seriously wrong" in the U.S.
President Donald Trump's recent executive order about the environment comes at a time when Americans have become more worried about the environment and less worried about energy.