Courtesy of Waymo

After quietly testing its fleet of self-driving minivans in Phoenix, Ariz., Waymo, Alphabet's self-driving car unit, is expanding its testing to hundreds of "early riders" in the area.

The details: Local residents can apply to be part of Waymo's trial program, which will give them access to the company's fleet of cars anytime they need a ride via a mobile app, ideally thinking of the cars as they would a primary and or secondary car. They'll be able to take rides within an area twice the size of San Francisco. Waymo also plans to add an additional 500 self-driving Chrysler Pacifica minivans to the 100 cars already in the fleet. A safety driver will be behind the wheel at all times, though the cars will drive themselves.

Waymo is also testing its cars in Mountain View, Calif., Austin, and Kirkland, Wash.

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Louisville officer: "Breonna Taylor would be alive" if we had served no-knock warrant

Breonna Taylor memorial in Louisville. Photo: Brandon Bell/Getty Images

Sgt. Jonathan Mattingly, the Louisville officer who led the botched police raid that caused the death of Breonna Taylor, said the No. 1 thing he wishes he had done differently is either served a "no-knock" warrant or given five to 10 seconds before entering the apartment: "Breonna Taylor would be alive, 100 percent."

Driving the news: Mattingly, who spoke to ABC News and Louisville's Courier Journal for his public interview, was shot in the leg in the initial moments of the March 13 raid. Mattingly did not face any charges after Kentucky Attorney General Daniel Cameron said he and another officer were "justified" in returning fire to protect themselves against Taylor's boyfriend.

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Illustration: Sarah Grillo/Axios

The Justice Department fired the starter pistol on what's likely to be a years-long legal siege of Big Tech by the U.S. government when it filed a major antitrust suit Tuesday against Google.

The big picture: Once a generation, it seems, federal regulators decide to take on a dominant tech company. Two decades ago, Microsoft was the target; two decades before that, IBM.

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