Friday assorted links
1. David Brooks on AI (NYT). And a new AI tool for diagnosis. And what to do when you have to make a phone call in your second language. And connect Chat to your 3-D printer. And claims about Bing (speculative and unconfirmed). And Google might activate?
2. On the military potential of balloons.
3. David Wallace-Wells on why excess deaths remain high (NYT).