As a leader, it can be challenging to create an environment in which people will freely disagree and argue, but as the saying goes: From confrontation comes brilliance.
As world war raged outside, he found himself debating fresh milk, and whether it could be afforded by working-class households headed by a man in employment.
That has provoked a debate about whether the phenomenon is an aberration, or whether natural selection favours it, at least when it is rare in a population.
In the health care debate, the American College of Cardiology has taken the position that there should be reimbursement for continuity of care by cardiologists.