If those who wrote and ratified the 14th Amendment had imagined laws restricting immigration - and had anticipated huge waves of illegal immigration - is it reasonable to presume they would have wanted to provide the reward of citizenship to the children of the violators of those laws? Surely not.

Good biology without good philosophy will be a calamity.

When a politician says the debate is over, you can be sure of two things; the debate is raging; and he's losing it.

Even the continents drift.

Twenty minutes into his presidency, Donald Trump, who is always claiming to have made, or to be about to make, astonishing history, had done so. Living down to expectations, he had delivered the most dreadful inaugural address in history.

Obama entered the presidency trailing clouds of intellectual self-regard. His carefully cultivated persona was of a uniquely thoughtful, judicious, deliberative, evidence-driven man comfortable with complexity. The protracted consideration of Keystone supposedly displayed these virtues. Now, however, it is clear that his mind has always been as closed as an unshucked oyster.

For as long as I can remember the slogan has been ... the federal government ought to behave more like families, because families balance their budgets. It turns out that families looked around and said, "You know what? Let's behave more like the government!"