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

I'm Celie Hatton, and in the early hours of Saturday, the 23rd of May, these are our main stories.

Donald Trump's Director of National Intelligence resigns for personal reasons, but Tulsi Gabbard also struggled with the president's decision to enter into foreign wars.

Our North America editor wraps up another tumultuous week for the U.S. president.

And the Democratic Republic of Congo says Ebola cases have now been reported across several conflict-hit

eastern provinces. Also in this podcast, we look at the legacy of Carlo Petrini, the founder of the

global slow food movement. And the tennis legend, Billy Jean King, finally graduates the age of 82.

It's just so great. I just wish my parents could have been there because I'm the first in our immediate family to finish college or university.

So I'm happy I finally did it.

We start in the U.S. with the announcement of the resignation of another Trump cabinet member.

Tulsi Gabbard is stepping down, citing personal reasons.

She'd been serving as the U.S. Director of National Intelligence,

normally a position that wields great power and influence in the Oval Office.

But long before she announced her departure, Tulsi Gabbard had largely taken a back seat in the Oval Office. But long before she announced her departure,

Tulsi Gabbard had largely taken a back seat in the administration. Once a Democrat, she'd switched

her allegiance to the Republicans under Donald Trump and was a vocal supporter of his America-first policy.

The president's interventions in Venezuela and Iran put her out of step with his

inner circle. With internal tensions growing, Ms. Gabbard will leave at the end of next month.

Our North America editor Sarah Smith told me more about Tulsi Gabbard's political struggles in office.

Tulsi Gabbard was a congresswoman from Hawaii as a Democrat.

She was a big rising star in the party.

...