Political candidate's spoken summary ejection of protesters was not an incitement to riot.
The test for whether a political speech is protected against a charge of incitement considers the content, form, and context of the actual words. A single listener's subjective response is not dispositive; the court must consider the actual words used.
http://www.opn.ca6.uscourts.gov/opinions.pdf/18a0202p-06.pdf
Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Neither an authoritative statement of the law nor legal advice. Quick work.