This is the BBC.

The most powerful question in politics.

Here, everywhere, is whose side do you want?

And this week, Jeremy Corbyn stood accused

of picking the wrong side in the great Solzbury poisoning plot.

More about that in just a moment.

But my guest on political thinking

is the Tory party chairman, Brandon Lewis,

whose party stands accused

of being on the wrong side again and again,

on the side of the old and the nostalgic and the pessimistic.

And he knows he's got to do something about it.

Anybody of my age, certainly 40 and below,

but actually for my age,

you can't really remember

what a socialist government did to the country.

And I think, therefore, there is a job for us to do

to make a positive case,

not just why people should vote conservative,

but why the free market and capitalism,

responsible capitalism is good for the community.

And he also tells me about where his Tory values

...