In general I defend freedom of speech and that includes freedom to speak offensively, but stops at direct incitement to violence.
Then come direct incitements.
Certainly, those whose expressive activities constitute a direct incitement to violence should be prosecuted to the fullest extent of the law.
Ruggiu was charged with "direct and public incitement to commit genocide" and "crimes against humanity (persecution)".
On June 22, 2009, Kalimanzira was sentenced to thirty years in prison for two counts of genocide and direct and public incitement to commit genocide.
India reacted sharply to Yaqub Khan's broadcast, accusing him of "direct incitement to subversive violence and terrorist activities".
He said the Manifesto contained "the language of direct incitement" and was not "the expression of philosophical abstraction."
Anyway, direct incitement to kill whites can be found in every high street record store in the "Rap" section.
The "clear and present danger" argument, in the 1920's, had been used to protect from prosecution people who expressed political opinions without direct incitement to law-breaking.
It contains direct incitement to crime.