The news shock of the day is that all three vigilantes were judged guilty of murdering Ahmaud Arbery, in varying degrees . Sentencing to come later. Georgia has become a model transition state for Black Lives Mattering and Democracy. This will be a peaceful Thanksgiving tomorrow. Yesterday I advocated the use of home tests to determine whether you have COVID-19 or not to make yourself safe for your Thanksgiving family gathering. From the New York Times this morning: That approach is possible in other countries. In Britain, pharmacies offer free packs of seven tests that people can take at home. In Germany, rapid tests are also widely available and mostly free. In this country, the situation is different, largely because the F.D.A. has been slow to approve the tests . The rapid tests — also known as antigen tests — are designed to tell whether you are infectious. That’s why they are such a powerful public-health tool. They can pre...