Consider your 'core' issue: the issue that defines your political ideals. The thing that you get emotional about above all else. The thing that often draws a person to a political party – and, as such, these are often the main things that politicians distract the public with during debates. Take this issue, with all its importance, and …count it out. Think as if your 'core' issue will never be addressed during this term (which is most often the case), and decide whether you agree with the stance that will be taken on the many other, less obvious, issues. If your views no longer align, weigh the options and vote accordingly.
–https://write.as/thelogicalamerican