Plague in a Time of Partisanship

America faces a contagious infection: partisanship. Consider the responses to a poll question about treating the COVID-19 virus with the long-approved and widely used drug hydroxychloroquine.
A Morning Consult poll shows 52% of Republicans supporting the drug and 16% against. At the same time and in the same country, 56% of Democrats opposed it, and 13% were in favor.
You can be reasonably sure that 99% of these respondents had never heard of COVID-19 and/or hydroxychloroquine on New Year’s Day 2020.
Their opinions are obviously responses to President Donald Trump’s statements that the drug…