Democrats will spend the week battling for a tightening of laws on casting votes; that will overshadow Republicans’ worrying push into how those votes are counted and certified. Earthquakes remain damnably unpredictable, but new research suggests a route to early-warning systems. And why hammams, the declining bathhouses of the Arab world, will cling on despite even the challenge of covid-19. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer