'Picket Line'

What You Need To Know

Today’s posts that caught my eye: 

1. Co-authors of a paper that claimed the discovery of a room-temperature superconductor have asked for the paper to be retracted because the lead researcher misrepresented data.

2. Amazon thinks that Alexa will soon be so valuable in everyday life that customers will be willing to pay a subscription fee to use it.

3. Target will …