The survey of 9,895 respondents was conducted between Sept. 3 and Sept. 15, 2019, and had a margin of error of plus- or minus-1.5 percentage points. It’s a quote that’s commonly, but inaccurately, attributed to Winston Churchill: “If you’re not a liberal when you’re 25, you have no heart. If you’re not a conservative by the time you’re 35, you have no brain.” As the International Churchill Society notes, the ol’ bulldog was a Tory at the age of 15 and a liberal at age 35. (He’d eventually find his brain.) However, it’s a bit of folk wisdom that we...
