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It's 2009 and we're in the German mountains.
A man straps himself into a car on the world's most dangerous racetrack.
He whispers to himself, It's time to put my balls on the dashboard.
As he starts the engine.
In 15 minutes, he's in an ambulance, unconscious.
In 15 years, he's a billionaire.
This is Toto Wolff, Formula One's most powerful team boss and the breakout star of Drive to Survive.
This week on Good Bad Billionaire, how Toto Wolff made his billions.
Listen wherever you get your BBC podcasts.
You might remember from history class that the assassination of Archduke Franz Ferdinand
in 1914 led to the First World War.
But our guest today, an expert on the history of war, says it's a lot more complicated.
There are masses of books and masses of articles.
It's been estimated there's something like 32,000 things, books in English alone, on the origins of the First World War.
Seriously?
Wow.
Because we still don't know.
It's still debated.
It turns out wars often spiral out of control for all sorts of unexpected reasons,