A federal appeals court says honking isn't First Amendment–protected activity. There's no constitutional right to honk your car horn, according to the U.S. Court of Appeals for the 9th Circuit. The case involves Susan Porter, who repeatedly honked her car horn while driving past protesters in California in 2017. A deputy with the San Diego County Sheriff's Office issued Porter a ticket, saying she had violated a state law against misuse of car horns. Porter pushed back, filing a federal lawsuit in 2018. In it, she alleged that honking her horn in solidarity with the protesters was protected First Amendment...