Primary Primers: Observing the Iowa caucus reveals heartening goodwill and candidate engagement

With only days to go before the Iowa caucuses begin the 2020 US presidential election season, Phillip Davies gives an outsider's view of the campaigning now going on in the Hawkeye State. He writes that while caucusers are engaged with the political messages of the various Democratic candidates, there is growing tension over choosing their preferred candidate compared to one they think is most likely to beat Donald Trump in November.