Democratic voters frustrated by their party’s feckless leadership got a shot in the arm last month when former Sen. Sherrod Brown of Ohio, an economic populist with deep ties to the Buckeye State’s industrial working class, launched his campaign to take on Republican Sen. Jon Husted. Brown is by no means certain to prevail. In his bid for a fourth Senate term, Brown lost by 3.5 percentage points last November to MAGA newcomer and car-dealership tycoon Bernie Moreno. And the first poll of ...