For the nearly 19 million people around the world who’ve contracted COVID-19 thus far during the coronavirus pandemic, as well as the millions more taking so many precautions to keep themselves and their loved ones safe from the COVID-19 virus, a coronavirus vaccine can’t come fast enough. Indeed, the promise of ending this thing, and of getting to whatever’s on the other side of the pandemic, can be summed in one word for those people and for all of us, really: A vaccine. President Trump insisted, no doubt aggressively so, on Geraldo Rivera’s radio program on Thursday that a coronavirus...