Sunday assorted links
1. Video on how Olympians are financed in the U.S.
2. Where are the brick-laying robots?
3. More detail on Iceland. And NHS waiting times may not return to normal until 2025.
4. Interview with Francois Balloux.
5. A contrarian view on regulating crypto, probably wrong.
6. I understand the aesthetic value of constraint, but does “race walk” really make sense as an Olympic sport? (video)