Mindful of security and safety for both workers and voters, Contra Costa County election officials have planned for a scenario in which an AI-generated fake video frightens voters away from the polls on Election Day. Kristin Connelly, the county’s clerk-recorder and registrar of voters, said her office has planned for that and other scenarios — just in case. With Election Day Tuesday, Connelly and local law enforcement are preparing for a range of potential disruptions, from fake bomb threats to…