 Complete the following phrase:  In 2015, large majorities of American adults, both Republicans 79 and Democrats 88, supported background checks for private sales and at gun shows, according to a Pew Research Center survey. In 2017, strong majorities of American adults, both gun owners 77 and non-gun owners 87, supported background checks for private sales and at gun shows, according to a Pew Research Center survey with an error attributable to sampling of - 2.8 at the 95 level of confidence. In 2018, after the 