The US-supported bombardment and blockade of Yemen by Salafi Arabia is killing 130 children a day — through hunger and sickness.

The US has no justification for intervening in Yemen, and stands to gain nothing. It is doing this for the sake of alliance with Salafi Arabia, which is worse than Iran in terms of spreading an extreme and dangerous form of Islam around the world.

When stores know who you are, they can offer each customer a different price. The asymmetry of information means this generally benefits the store and hurts the customers.

Once the practice of price discrimination among customers gets big enough, there is no difference between "rewarding customers A, B and C with discounts" and "imposing a higher price on customers X, Y and Z" except presentation.

You can thwart this by paying cash, anonymously. Please join me in defending the right to pay cash, in insisting "cash or no sale".

The British Virgin islands are finding that removing the wrecked boats that now litter the land is an insuperable problem.

Some schools and childcare facilities have adopted a policy against using plastic glitter.

I think this is wise. It will not only reduce plastic pollution directly, it will also teach children the gravity of the problem of plastic pollution.

When we raise taxes on the rich, only a few of them move away.

Besides which, if a country raises taxes on income to the rich, even when they leave they will still have to pay the official tax rate on the income they visibly receive in that country.