Why does Trump call an 86-year-old unproven drug a game-changer against coronavirus?

Medical experts say there is not enough evidence that anti-malarials chloroquine and hydroxychloroquine benefit patients with covid-19.

The lack of vaccines and treatment for the novel coronavirus has allowed it to sweep the planet virtually unchecked. With a regimen of hunkering down and hand-washing the only effective way to slow its path, national leaders are desperate to find a medicine that could have an effect. But President Trump’s cheerleading for anti-malarial drugs has raised hopes beyond what is supported by the scientific facts…