Are you a marketer facing a big challenge or a big opportunity?

Maybe you're moving to a big new job.

Well, you need the Mini MBA.

I'm Mark Ritson and I launched the Mini MBA to pack every little slice of valuable learning into a tiny amount of time.

It will give you all the tools, all the language and all the confidence

you need to tackle any marketing challenge. That's why we like to say in the MBA, major

ROI.

The Economist.

Hello and welcome to the intelligence from The Economist.

I'm Rosie Bloor.

And I'm Jason Palmer.

Every weekday, we provide a fresh perspective on the events shaping your world.

When new things catch on in China, they catch on really fast, particularly if they're supported by the Communist Party.

Our correspondent went to the icy city of Harbin

to join a fast-growing tribe of Chinese scares.

And until the last of her very many days, Rose Jerome kept knitting, even teaching the craft until she was 105.

Our obituaries editor reflects on the last known Holocaust survivor and the life she stitched together.

First up, though.

So Donald Trump thinks he can weaken us with his plan to divide and conquer.

Something very sudden happened in Canadian political rhetoric in the last couple of months.

It became very, very focused on American political rhetoric.

The Americans want our resources, our water, our land, our country. Think about it.

...