Hello, I'm Helen Joyce, the finance editor of the Economist.

Welcome to Money Talks.

Coming up on the programme, why is America's care system so expensive?

It's a bit of a detective act working out where all of this

extra money goes because American health outcomes are not much better than anywhere else.

And could a new cryptocurrency help Venezuela's ailing economy?

It doesn't seem that this cryptocurrency is necessarily real though.

It's been sort of roundly mocked in the in the press and it doesn't necessarily

have a lot of the components you would want a crypto guarantee to have to be real.

First in an un move President Donald Trump has intervened to block a 142 billion dollar takeover of Qualcomm by

a rival chipmaker. Mr Trump is stopping the

deal because of national security concerns, namely that China might overtake the

US in critical 5G technology. This comes just days after Mr Trump used a national

security justification that dates from the Cold War to impose 25% tariffs on

steel imports to America and 10% on aluminium. Now that Mr Trump has set

those protectionist wheels in motion he is opening the way for exemptions.

But China, whose steel overproduction has long annoyed America is preparing its reaction.

Simon Rabinovich, our Asia economics editor, is on the line.

Simon China has two big trade moves in the last week to respond to.

What's it thinking?

Well, I think the message is being heard loud and clear in Beijing that China is increasingly

an economy non-grata in America. I mean the Broadcom

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