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Today, the Supreme Court and the definition of a woman.

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Last week, the highest court in the UK came to a momentous decision about something once

considered so simple that it was barely worth a discussion.

The legal definition of a woman.

The unanimous decision of this court is that the terms woman and sex in the Equality

Act 2010 refer to a biological woman and biological sex.

In a nutshell, if the midwife said it's a girl when you were born, then you're considered

a woman. If they said you're were born, then you're considered a woman.

If they said you're a boy, then legally you are male, regardless of how you may come to identify in later life.

Any surgery you may have undergone, whatever hormones you may take, and in spite of any certificate you may hold to the contrary.

As a result of this judgment, single sex spaces and services can now declare that only biological women are welcome,

from lesbian bars and swimming pool changing rooms to domestic violence refuges and NHS wards.

For some, the victory was a triumph of common sense.

Everyone knows what sex is, and you can't change it.

So it's basic common sense, and the fact that we have been down a rabbit hole

where people have tried to deny science and to deny reality,

...