Americans are evenly divided on whether their country has a responsibility to aid Ukraine, with 48% saying it does and 49% it does not, according to a survey published by Pew Research on July 29. Similarly to a number of earlier polls, there is a visible partisan split on the issue. While around 63% of Democrats and Democrat-leaning respondents believe the U.S. has the responsibility, only 36% of Republicans and Republican-leaning Americans think the same, the survey shows. These views are likely to play an important role as the U.S. heads toward a presidential election this November. The Repu…