By Brad Reed Trump-backed Georgia Senate candidate Herschel Walker this week delivered a bewildering broadside against the Biden administration’s environmental policies, which he suggested would lead to Americans being forced to live in solar-powered cars. In an interview clip flagged by Twitter account @PatriotTakes, Walker attacked tax incentives for buying electric vehicles, which he then suggested would be used as substitutes for houses in the future. “You know, they’re talking about an electric car — solar panels — it’s like, right now, solar panels?” he said. “I want to afford grocerie…