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Sign with logo at the headquarters of ride-sharing technology company Uber in San Francisco, California. Photo: Smith Collection / Gado / Getty Images

Months before an Uber self-driving car hit and killed a woman in Arizona, there were concerns of its ability to navigate "through construction zones and next to tall vehicles," the New York Times reports.

The details: Per the Times, Uber "was struggling to meet its target of 13 miles per" human intervention in Arizona, while Waymo, a former autonomous vehicle project from Google, had been testing almost 5,600 miles until intervention. Uber's test drivers were requested to go "on solo runs" when they had previously been working in pairs.

  • The safety driver in Uber's car was shown "looking down, away from the road" in the dashboard camera footage. The driver's hands were also "not hovering above the steering wheel," as is expected.
  • Worth noting: Waymo moved to one test-driver in 2015, the Times reports, and "is now testing cars in...a Phoenix suburb, with no safety drivers."

Go deeper: Recode reported last March on Uber's struggle with self-driving cars.

Go deeper

It's harder to fill the Cabinet

Data: Chamberlain, 2020, "United States of America Cabinet Appointments Dataset" Chart: Will Chase/Axios

It's harder now for presidents to win Senate confirmation for their Cabinet picks, an Axios data analysis of votes for and against nominees found.

Why it matters: It's not just Neera Tanden. The trend is a product of growing polarization, rougher political discourse and slimming Senate majorities, experts say. It means some of the nation's most vital federal agencies go without a leader and the legislative authority that comes with one.

Exclusive: Hundreds of kids held in Border Patrol stations

Migrants cross the Rio Bravo to get to El Paso, Texas. Photo: Herika Martinez/AFP via Getty Images

More than 700 children who crossed from Mexico into the United States without their parents were in Border Patrol custody as of Sunday, according to an internal Customs and Border Protection document obtained by Axios.

Why it matters: The current backup is yet another sign of a brewing crisis for President Biden — and a worsening dilemma for these vulnerable children. Biden is finding it's easier to talk about preventing warehousing kids at the southern border than solving the problem.

Pompeo plots 2024 power play

Mike Pompeo in Washington on Feb. 12. Photo: Samuel Corum/Getty Images

Mike Pompeo has quickly reentered the political fray, raising money for Republicans, addressing key political gatherings and joining an advocacy group run by Donald Trump's former lawyer.

Why it matters: The former secretary of state is widely considered a potential 2024 presidential contender. His professional moves this week indicate he's working to keep his name in the headlines and bolster a political brand built largely on foreign policies easily contrasted with the Biden White House.