Analysis Summary:

The article is mostly accurate, focusing on Waymo's progress and public perception of driverless cars. It presents a slightly positive outlook on Waymo's advancements, but also acknowledges public resistance. Some claims, like the specific number of cities Waymo is expanding to, are not directly verifiable with the provided sources.

Detailed Analysis:

• Claim:** Waymo operates self-driving taxis in four cities, and is soon expanding to a dozen more.
  • Verification Source #2: Supports the claim that Waymo taxis are operating without human drivers.
• Fail to cover:* The specific number of cities Waymo operates in and is expanding to. This requires external knowledge or additional sources.
• Claim:** Tesla and Amazon have had delays with their robo-taxi services.
• Fail to cover:* The provided sources do not directly address delays with Tesla and Amazon's robo-taxi services. This would require external knowledge or additional sources.
• Claim:** The Google-owned Waymo must still overcome resistance from the public over stepping into an autonomous vehicle.
  • Verification Source #3: Supports the claim that there are American attitudes towards driverless vehicles.
• Fail to cover:* The specific resistance Waymo faces.
• Claim:** Waymo is trying to avoid bumps in the road.
• Fail to cover:* This is a metaphorical statement and cannot be directly verified. Verification Source #1 discusses testing of driverless vehicles.

Supporting Evidence/Contradictions:

• Verification Source #2: "This Waymo taxi is missing one thing: a human driver. CBS News." This supports the claim that Waymo is operating self-driving taxis.
• Verification Source #3: "Driverless vehicles are among the most visible and potentially disruptive examples of the coming wave of automation in daily life." This supports the idea that driverless vehicles are a topic of public interest and potential concern.
• Verification Source #1: "Driverless vehicles can be tested more thoroughly and less expensively before they hit the road because the driver is not a person; it's software." This supports the idea that driverless cars are being tested.
• Lack of Coverage:* The specific number of cities Waymo operates in and is expanding to, and the delays of Tesla and Amazon's robo-taxi services are not covered by the provided sources.