Don't take this personally*, but assholes seem to be everywhere lately, and we need a rigorous theory to account for and deal with them. In the spirit of the mega-selling On Bullshit, philosopher Aaron James has done just that, providing us all** (in Aristotelian terms) with some much-needed catharsis.
*Unless you happen to be Donald Trump or Kanye West or Dick Cheney, in which case you may take it personally.
**Unless you are a real asshole yourself.
