A doctor's examination room. Photo: Roberto Machado Noa/LightRocket via Getty Images

Before you get too excited about those artificial intelligence doctors we’ll all have someday, you should read this briefing note from the Nuffield Council on Bioethics, a London-based group that ponders the tough ethical questions about medicine.

What they're saying: The Council has a pretty handy guide to the things that can go wrong with AI. For example, it’s not always reliable. (In one clinical trial, an app incorrectly told doctors to send home patients with asthma.)

  • It can’t always explain its decisions, as Axios’ Ina Fried wrote about here.
  • It can be biased, if there are biases in the data used to train them.
  • Patients could get isolated if they’re dealing with AI all the time instead of people.
  • It will have to be super strict about data privacy and security.
  • It could be used for bad things, like surveillance.

The bottom line: It’s clearly meant to be a glass-half-empty look at AI, but the point is that we should all think it through a bit and not just embrace AI because it’s cool.

Go deeper

How "naked ballots" could upend mail-in voting in Pennsylvania

Trump signs in Olyphant, Penn. Photo: Eric Baradat/AFP via Getty Images

Pennsylvania's Supreme Court ordered state officials last week to throw out mail-in ballots submitted without a required inner "secrecy" envelope in November's election, the Philadelphia Inquirer reports.

The state of play: The decision went under the radar alongside the simultaneous decision to extend the time that mail-in ballots could be counted, but Philadelphia's top elections official warned state legislators this week that throwing out so-called "naked ballots" could bring "electoral chaos" to the state and cause "tens of thousands of votes" to be thrown out — potentially tipping the presidential election.

Commission releases topics for first presidential debate

Moderator Chris Wallace. Photo: Drew Angerer/Getty Images

Fox News anchor Chris Wallace has selected what topics he'll cover while moderating the first presidential debate between President Trump and former Vice President Joe Biden next week.

What to watch: Topics for the Sept. 29 debate will include Trump and Biden's records, the Supreme Court, COVID-19, economic policy, racism and the integrity of the election, the Commission for Presidential Debates announced on Tuesday. Each topic will receive 15 minutes of conversation and will be presented in no particular order.

Fed chair warns economy will feel the weight of expired stimulus

Treasury Secretary Steven Mnuchin and Fed Chair Jay Powell bump elbows before House hearing on Tuesday. Photo: Joshua Roberts/Pool/AFP via Getty Images

Federal Reserve Chairman Jerome Powell told the House Financial Services Committee on Tuesday that the expiration of Congress' coronavirus stimulus will weigh on the U.S. economy.

Why it matters: Powell warned that the effects of dried-up benefits are a looming risk to the economy, even if the consequences aren't yet visible.

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