Private-practice physicians say COVID-19 vaccines should be distributed directly to doctors’ offices as more-stable vaccines become available, since physicians can use their existing relationships to help build trust with patients. The American Medical Association made the plea at its advocacy conference last week, just weeks after the American Medical Group Association asked President Joe Biden to give its members a key role in vaccine distribution. A greater role for private-physician practices is feasible as more-stable vaccines like Johnson & Johnson’s...