Do nasty comments affect how readers perceive an article? Maria Konnikova of The New Yorker discusses research on the psychology of negative Internet comments. Then, in light of GM CEO Mary Barra’s testimony before the House on Wednesday, law professor David Luban explains why lawyers sometimes hide or compartmentalize information to protect their companies from liability. For the Spiel, Mike does the numbers. Get The Gist by email as soon as it’s available: slate.com/GistEmail Subscribe to the podcast in iTunes: itunes.apple.com/us/podcast/slate…id873667927?mt=2