May I have your attention please you can now book your train tickets on Uber and get

10% back in credits to spend on your next Uber ride so you don't have to walk home in the brain again.

Trains, now on Uber. T's and this is Money Talks. Coming up this week, how do global currencies work?

I think the next important rival for the dollar will be the euro and not the

remnant be because euro and not the remedy because Euroland is drawing a line under its

crisis.

And sacre bleu.

Butter shortages in France?

My local baker the other day told me that Monsieur it's a terrible catastrophe, the butter prices

are soaring, we've never seen anything like it.

But first, CBS Health, one of the largest retail pharmacy chains in the US, is reportedly

in talks to buy America's third largest health insurer, Aetna, a deal that could be worth

66 billion dollars.

To discuss what's behind the reported deal, I'm joined by V.J. Vaitiswara and our U.S. business editor in New York.

Hello, V.J.

Hello, there, Simon.

To start with, Vee, do you think you could give us some idea of how big a deal this is?

What sort of market share do these firms have?

So there are different ways of thinking about how big a deal this is.

If we just look at the proposed size of the transaction,

for example, something like $66 billion,

it sounds very big, but the US care market is 18% of America's GDP so it's it's

...