Fact checking has been described as cleaning up a sewage spill with a teaspoon. What happens to truth when someone takes the teaspoon away?When Donald Trump fronted his first debate of the US presidential campaign against then-Vice President Kamala Harris, back in September last year, he made what has become a notorious accusation: migrants in a small Ohio town were eating the local pets."A lot of towns don't want to talk about it because they're so embarrassed by it," then presidential candi...