Read the full poll resultsOverall, three-quarters of the country (75%) is concerned about the situation in Syria, including 43% who are very concerned. Concern, too, is highly divided along partisan lines -- 65% of Democrats say they're very concerned. Around two-in-five (42%) Americans approved of Trump's decision to withdraw all US troops from Syria, while half (50%) disapproved. Many say that the change in US policy in Syria will likely result in a reemergence of ISIS -- 69% say it's likely, 23% not so likely. Three-in-ten (31%) say leaders from other countries have respect for Trump, 61% that they don't.

Overall, 44% now say African Americans face "a lot" of discrimination in society today, up 8 points since a 2015 survey conducted by CNN and the Kaiser Family Foundation. About 4 in 10 say the same for Hispanic Americans (39%, up from 30%) and 1 in 10 about Asian Americans (11%, up from 5%). Even more, 50%, say immigrants to the US face a lot of discrimination, a question new to this poll. Among Republicans, 18% say whites face a lot of discrimination in society today, up from 11% in 2015. Three-quarters of Americans say that the recent tone of America's politics and political debate is encouraging violence, with many seeing minorities or immigrants as most at risk on account of that tone.