Today on Boston Public Radio:  We opened lines to ask: are the high early voting turnout numbers easing your election day jitters? Joan Donovan, Research Director of the Shorenstein Center on Media, Politics and Public Policy, talked about the rise of the QAnon conspiracy theory, and how media manipulation has allowed it to spread so effectively. CNN analyst Juliette Kayyem discussed rising cases of COVID-19 throughout the U.S., and explained why she’s reassured by the deployment of National Guard troops to cities throughout Texas ahead of the election. M.I.T. economist Jon Gruber talked about the ways varying election outcomes could impact the future of the Affordable Care Act, and responded to questions from listeners. We opened lines for our seasonal inquiry, asking: with temperatures expected to drop below 30 degrees this week, how cold does it need to get before you activate your heat?  Writer and naturalist Sy Montgomery returned for our monthly edition of “Afternoon Zoo,” where she talked about the different ways groups of animals pick their pack leaders, and the reasons why certain animals will occasionally social distance.