This is the Global News Podcast from the BBC World Service.

I'm Nick Miles and in the early hours of Wednesday the 11th of September,

these are our main stories.

Carmelah Harris has accused Donald Trump of having a real problem with the truth

ahead of the televised debate between the two US presidential candidates.

Western nations have imposed new sanctions on Iran for supplying Russia with ballistic missiles

to use against Ukraine. 26 people are confirmed dead and dozens more are missing after a boat carrying

migrants capsized off the coast of Senegal.

Also in this podcast...

In girls it's all over the brain, both hemispheres, all lobes, but most of the areas have to do with social processing.

We hear about the staggering impact that living through the COVID pandemic had on girls brains. As we record this podcast, Carmelah Harris and Donald Trump are preparing for their much

publicized live televised presidential debate in Philadelphia. In a race that is

effectively a tie at the moment it's a fitting place for the debate. It's in the

state of Pennsylvania which is one of a handful of swing states that will determine the outcome of the election.

Erren Carl is a presidential debate expert from the University of Michigan.

He says more than 50 million Americans will tune into the 90 minute showdown.

There's no other event in the campaign speeches, press conferences, the conventions that will gather anywhere near this number, this audience of tens of millions,

approaching Super Bowl-like ratings, one night, one opportunity for both to reach so many

people.

Among the millions watching, these voters in Philadelphia.

Vice President Harris, I really think this is her chance to get her message out, to get her

her personality out there, really to find out what her policies are.

...