Election officials in a Nevada county – viewed as one of the most pivotal swing counties in the nation – rolled out a new line of defense for Election Day workers: panic buttons. In yet another sign of the times, in an election year marred by instances of violence, including two assassination attempts on former President Donald Trump and threats to election workers nationwide, officials in Washoe County will debut the devices for the first time Tuesday at all general election voting sites, according to the Reno Gazette-Journal. But the publication noted that the panic buttons are “just one of …