Sunday links: fixing a shortage

MarketsRising margins are one reason why earnings are headed higher. (carsongroup.com)Why the stock market is not the economy. (tker.co)Market history only takes you so far. (humbledollar.com)ETFsETF M&A is running hot. (etf.com)What's the economic case for sports ETFs? (cnbc.com)Eric Balchunas and Joel Weber speak with Jeff Weniger of Corgi ETFs. (podcasts.apple.com)AIDo AI labs have an economic moat? (morningstar.com)Just how big is Meta's ($META) Muse? (hntrbrk.com)AI seems to be having an impact on call center employment. (marginalrevolution.com)How the 'super intelligence' signalling got so stupid. (spyglass.org)James Pethokoukis talks AI with Ramez Naam. (thebulwark.com)TechThis Fall, screens are filling up with tech-related stories. (axios.com)Why it takes four hours to tell the Elon Musk story. (nytimes.com)Just how much power is too much for today's tech leaders? (theatlantic.com)PolicyICE is acting with impunity. (newyorker.com)Why do older lawmakers seem to hang onto