Has Biden convinced the G7 “America is back”?

A look at US President Joe Biden's first trip abroad, which included a very important first stop at the G7 summit in the United Kingdom. Did he convince allies that "America is back" and ready to resume its leadership role in global affairs? And if so, does it even matter if Americans still need to be convinced that US engagement in the world is vital? In this episode of GZERO World with Ian Bremmer, former US Ambassador to NATO Ivo Daalder weighs in on Biden's performance and the way forward for the US and its closest friends.

"I knew that history was my life's calling."

On Bank of America's That Made All the Difference podcast, Secretary of the Smithsonian Lonnie Bunch shares his journey and present-day work creating exhibits that inspire visitors to help our country live up to its ideals.

Marietje Schaake, International Policy Director at Stanford's Cyber Policy Center, Eurasia Group senior advisor and former MEP, discusses trends in big tech, privacy protection and cyberspace:

QR codes are everywhere. Are they also tracking my personal data?

Well, a QR code is like a complex barcode that may be on a printed ad or product package for you to scan and access more information. For example, to look at a menu without health risk or for two-factor verification of a bank payment. And now also as an integral part of covid and vaccine registration. QR codes can lead to tracking metadata or personal data. And when your phone scans and takes you to a website, certainly the tracking starts there. Now, one big trap is that people may not distinguish one kind of use of QR codes from another and that they cannot be aware of the risks of sharing their data.

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Now that the Tokyo Olympics are finally underway, your Signal crew will be bringing you some intriguing, uplifting, and quirky bits of color from a Games like no other..

Today we've got— the best freakout celebrations!

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Tanzania reverses course on COVID: Just four months ago, the Tanzanian government was completely denying the existence of the pandemic. Then-President John Magufuli insisted Tanzania was COVID-free thanks to peoples' prayers, and refused to try to get vaccines. But Magufuli died suddenly in March — perhaps of COVID. His successor, current President Samia Suluhu, has acknowledged the presence of the virus in Tanzania, and although she was initially lukewarm on mask-wearing and vaccines, Suluhu has recently changed her tune, first joining the global COVAX facility and now getting vaccinated herself to kick off the country's inoculation drive. Well done Tanzania, because if there's one thing we've all learned over the past 18 months, it's that nowhere — not even North Korea, whatever Pyongyang says — is safe from the coronavirus.

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16: A new study tracking Earth's "vital signs" has found that 16 out of 31 indicators of planetary health are getting worse due to climate change. Last year's pandemic-induced shutdown did little to reduce global carbon dioxide emissions, stop the oceans from warming, or slow the shrinking of polar ice caps.

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Next week, Ebrahim Raisi, a hardliner who is ideologically and personally close to Iran's 82 year-old supreme leader Ayatollah Ali Khamenei, will be inaugurated as Iran's president. This power transition comes as the country experiences a fresh wave of protests that started in Iran's southwest over water shortages earlier this month and has since spilled over into dozens of provinces.

Some close observers of Iranian society and politics say that popular discontent there is now more widespread than it has been in years, making the Iranian regime more vulnerable than ever.

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Was the world so focused on climate change that warning signs about the COVID-19 pandemic were missed? Historian and author Niall Ferguson argues that, while the climate crisis poses a long-term threat to humanity, other potential catastrophes are much more dangerous in the near future. "We took our eye off that ball," Ferguson says about COVID, "despite numerous warnings, because global climate change has become the issue that Greta Thunberg said, would bring the end of the world. But the point I'm making in DOOM [his new book] is that we can end the world and a lot of other ways, much faster." Ferguson spoke with Ian Bremmer in an interview for GZERO World.

Watch the episode: Predictable disaster and the surprising history of shocks

Tunisia, the only country that emerged a democracy from the Arab Spring, is now in the middle of its worst political crisis since it got rid of former autocrat Zine El Abidine Ben Ali over a decade ago.

On Sunday, the 64th anniversary of the country's independence from France, President Kais Saied responded to widespread protests over the ailing economy and COVID by firing embattled Prime Minister Hichem Mechichi and suspending parliament for 30 days. Troops have surrounded the legislature, where rival crowds faced off on Monday, with one side chanting in support of the move and the other denouncing it as a coup.

How did we get here, do we even know who's really in charge, and what might come next?

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