Water shortages dog Panama Canal, 20 years after its transfer

In this week's show, we look at the civil unrest that continues to grip many American cities. We bring you a report which looks at the rising number of pro-Trump and right-wing vigilante groups.

Here are a few reasons to pick up a copy of The Guardian on Saturday. Find these stories and much more when you grab a copy of The Guardian on Saturday.

In a rare move among Silicon Valley giants, over 200 employees at Google and its parent company Alphabet have formed a labor union. Their move coincides with growing scrutiny of influential high-tech operators worldwide.

Built by the US over a 30-year period, the strategically located Panama Canal connects the Atlantic and Pacific Oceans. On January 1, 2000, Panama regained sovereignty over it, 85 years after its inauguration. Prior to that, the area around the canal had been a US colony: some 1,400 square kilometres, nicknamed "La Zona". Since its handover to Panama, most Americans have left this narrow strip of land. Our reporters Laurence Cuvillier and Matthieu Comin met those who have stayed behind, maintaining American traditions but with bitter memories for some Panamanians.

In 'The United States vs. Billie Holiday', director Lee Daniels focuses on a period of Holiday's life that was marred by government persecution. The blues singer persisted in performing protest song "Strange Fruit", a wrenching description of the racist and murderous practice of lynching. Her act of resistance attracted unwanted attention from the authorities. FRANCE 24's film critic Lisa Nesselson tells us how the biopic argues for Holiday's rightful place as a civil rights activist as well as a gifted entertainer.

More than 13,000 Nigerian students currently studying in the United States.

US President Joe Biden meets with NATO Secretary General Jens Stoltenberg before the start of the NATO heads of state summit in Brussels and says he wants "all of Europe to know that the United States is there," with respect to Article 5 of the North Atlantic Treaty. Article 5 provides that if a NATO Ally is the victim of an armed attack, each and every other member of the Alliance will consider this act of violence as an armed attack against all members and will take the actions it deems necessary to assist the Ally attacked.

With a new type of simple blood test, Elizabeth Holmes wanted to revolutionize the health care industry. Her company Theranos was a Wall Street darling until it was exposed as a fraud. Now she is on trial in California.

Emmanuel Macron and Joe Biden have agreed that "open consultations" could have prevented the diplomatic row between Paris and Washington over a nuclear submarine deal.

The war in Ukraine has moved Poland from the fringes of US foreign policy into the spotlight. At the same time, Washington has become even more indispensable for Warsaw as a guarantor of security.

A summit with leaders from six Gulf Arab states, Egypt, Jordan and Iraq saw the US president walking a tightrope to bolster Washington's influence in the Middle East.

US President Joe Biden has declared the pandemic to be "over," but hundreds still die in the US daily. Patient advocates and researchers warn that public health and the economy are still at risk.