Republican Sen. Ron Johnson and ex-Gov. Scott Walker on Thursday published an op-ed in the Cap Times hyping up hydroxychloroquine, the malaria drug falsely promoted by President Trump as an effective treatment for the coronavirus.

In an op-ed broadly calling for a bipartisan approach to fighting the virus, Walker and Johnson quickly descended into right-wing talking points, advocated for keeping the economy open, and pushed the unproven drug. They argued the medical co ...