People in the Arab world have been heaping satirical scorn on the US in the wake of the mob attack on Congress. Some sample tweets making the rounds: “Iraq calls on the U.S. regime to respect the principles of democracy, or it will intervene militarily to bring down the dictator.” Some of the most stinging barbs are coming from countries in the Arab world. Carol Hills explores what’s behind the mockery with Lebanese satirist Karl Sharro, who blogs and tweets under the moniker Karl reMarx.