Social Issues
One of Gallup's earliest polls, from 1939, addressed the evolving cultural norms around men and women revealing their skin in summer clothing.
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.