A survey of Americans on President Joe Biden’s plan to require most workers to get either vaccinated or regularly tested for COVID-19 finds a deep and familiar divide: Democrats are overwhelmingly for it, while most Republicans are against it. With the highly contagious delta variant driving deaths up to around 2,000 per day, the poll released Thursday by The Associated Press-NORC Center for Public Affairs Research showed that overall, 51% say they approve of the Biden requirement, 34% disapprove and 14% hold neither opinion.