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Until 18-plus, T's and C supply, exchange fees and fair usage limits supply. Hello and welcome to the end of an era edition of Slate Money, your guide to the Business and Finance News of the Week.

I'm Felix Salmon of Fusion in San Francisco this week, and on today's show, Apple CEO Tim Cook announced this week that he is proud to be gay.

We'll talk about what his essay could mean for the future of the so-called Glass Closet.

Is the US now in a fight with Saudi Arabia for the title of the most powerful

oil-producing country in the world and what does that have to do with the falling price of oil?

And the Fed has ended its historic effort to

stimulate the American economy. We'll discuss whether quantitative easing made a

difference. And our numbers round will include a fond farewell. But first let me introduce my regular guests.

Kathy O'Neill is a data scientist and blogger at math babe.org.

Hi Felix.

Hi Kathy, and Slate's own Moneybox columnist Jordan

Jordan.

Hello, Felix. So we're going to begin with Tim Cook who announced this week he is

of course the CEO of Apple and wrote a piece in Business Week saying that he is proud to be gay.

Now many of us have known this and been writing about this for some years now, but officially

he is now no longer merely the most powerful gay man in the world.

He is now the most powerful openly gay man in the world.

...