After previously unthinkable scenes played out in Washington’s legislature, we ask what the violence will mean for the president, Republican lawmakers and American democracy. Argentina’s move to liberalise its abortion laws reflects slowly changing attitudes across Latin America, and may spur wider change. And examining the history of Ethio-jazz, a unique musical melting pot. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer