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

I'm Jackie Leonard and at 13 hours GMT on Friday the 12th of July,

these are our main stories. President Joe Biden's latest gaffes continue to raise questions over his age and ability to serve

another term.

We'll hear from a Republican anti-Trumper and get the view from Moscow.

The head of Japan's Navy resigns over a series of scandals

including the mishandling of classified documents by staff and Colombia's president

says legalizing the cocaine trade would end the country's

armed conflict.

Also in this podcast the bullet vending machines in the US and why the company behind them

says there are more secure way to dispense ammunition and scientists return to the wreck of the

Titanic for the first time since the Titan

submersible disaster but this time it will be robots making the dive.

Bau Stern debris field we're going to image and collect the most advanced data set on Titanic to date.

Wuries about Joe Biden's age and mental acuity are continuing to swirl

after he made two high-profile gaffs on Thursday. The first happened at the NATO

conference when he accidentally introduced Ukraine's President

Zelensky as President Putin, and later at a news conference when he called his Deputy

Carmelah Harris Vice President Trump Mr. Biden insists he is fit to run for a second term

and that he's the best person to beat Donald Trump even though the polls suggest

otherwise. Mike Murphy is a Republican political consultant

who was behind the campaigns of Arnold Schwarzenegger

...