Hard Numbers: A billion-dollar typo

52: Only a slim majority (52 percent) of Iranians polled now support the 2015 nuclear agreement, which the US walked out of last year. Back in 2015 more than three quarters of those surveyed approved of the agreement. Hardliners in Tehran are pleased to see this: they never much liked the deal to begin with.

2: North Korea yesterday test-launched two more short-range missiles. The move follows a similar move last Saturday. None of this violates Kim Jong-un's promise to stop testing long-range or nuclear missiles, but angrily firing missiles into the sea is seen as a sign that North Korea is frustrated by scant progress in negotiations with the US over its nuclear program.

1.6: Australia's government has printed $1.6 billion worth of currency… with a typo on it. The new Aussie 50-dollar bill, the country's most widely circulated bill, misspells the word "responsibility" in quoting a speech by the country's first female parliamentarian, Edith Cowan. We have to ask: whose responsibility is this?

0: So far, zero European countries have heeded the Trump Administration's call to ban the Chinese tech firm Huawei from their plans to build 5G communications networks, prompting US Secretary of State Pompeo to accuse them of going "wobbly."

Is WhatsApp safe?

WhatsApp had a crazy hack! Hackers were able to get on your phone just by calling it. That's been patched but it's a reminder nothing is ever completely safe in 2019.

Why didn't Uber's IPO perform as promised?

Because they're losing tons of money. Because Lyft didn't do that well. Because their expansion into international markets, where they planned to go, has been harder than expected. Tough times at Uber.

Will cutting Huawei off from American technology hurt?

Trick question! Will it hurt Huawei? Yes, definitely. Will it hurt the American companiesthat supply Huawei? Yes definitely. Will it hurt consumers everywhere? Probably. Unless it changes the dynamics of the U.S. - China trade relationship in such a way that helps everybody, which is possible.

Should more cities ban facial recognition technology?

There's a tradeoff between privacy and safety. San Francisco just blocked facial recognition technology to help privacy but I think most cities are going to care more about their police departments being maximally effective and will choose safety.

In recent years, the accelerating cross-border flow of migrants fleeing violence and poverty has remade the politics of Europe and the United States. A startling new study from Stanford University warns that the conflicts we've seen to date may just be the opening act of a much larger and more dangerous drama.

Here's the study's argument in brief:

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President Donald Trump again dramatically escalated the stakes in the US-China rivalry on Wednesday with a move that made headlines in the US while landing like a grenade in Beijing.

The US Commerce Department announced yesterday that Huawei, China's leading tech company and already the source of major controversy, has been added to a list that prevents US tech suppliers from selling to Huawei without a license. That's even more important than the executive order, also published yesterday, that bans US telecom companies from using Huawei equipment.

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Voters in Australia head to the polls tomorrow to elect a new government. Though few outsiders closely follow politics in this country, this election tells interesting stories about three of the most important issues in today's world: Immigration, climate change, and managing changing relations with China. It's also a country with a steady economy—but lots of political turnover.

Consider:

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