From KCRW, I'm Kim Masters, and this is The Business.

Playwright Justin Karitzkis knows how lucky he is to be enjoying the rollout of his first effort

of writing a movie, Luca Guadonino's spicy tennis romp, Challengers.

When you write a script on spec, you're really just writing it for yourself, and you have

no idea who's going to eventually collaborate

on it with you. And in the case of this movie, it all came together incredibly fast to the point

that from the time I had finished the first draft of the screenplay to the time we were in

pre-production was only a couple months. Justin Cariscus talks about how Challengers, starring Zendaya,

was inspired by a particular U.S. Open match that turned him into a tennis obsessive.

And he shares how he and his wife, Celine's song, known for her Oscar-nominated past lives, managed to keep their work separate from their relationship.

And we ask him about some of his quirkier creative efforts over the years.

But first we banter.

Stick around.

It's the business from KCRW.

I am joined by my colleague in banter Matt Bellany.

Hello, Matt.

Hi there.

So, as the world now knows, the appeals court in New York, which is actually the highest court,

has overturned Harvey Weinstein's conviction to the dismay of so many women. His lawyer proclaimed that a great day for America and noted that Harvey had always proclaimed his innocence.

Maybe it's just me, but I somehow feel when like dozens of people

come forward on you, maybe you're not innocent, but you're a lawyer, you know that this is going to

a thing that I feel like is very much at the heart of sexual assault and rape allegations,

...