Traditionally, US presidential debates barely sway public opinion, if at all. Of course, the spectacle that unfolded on Tuesday night in Cleveland was not your traditional debate. For 90 minutes, tens of millions of Americans watched Donald Trump and Joe Biden needle, badger, interrupt, and sometimes even insult. But were viewers agape and embarrassed or cheering and baying for blood? Is it infotainment that will soon be forgotten or a telling illustration of the state of democracy in the US?