Ron DeSantis has signed a law banning automakers from selling cars direct to consumers in Florida – but it contains a carve-out that will benefit his political backer Elon Musk and his Tesla company.House Bill 637 requires most automakers to sell to Floridians through third-party car dealers, who sometimes add exorbitant markups to vehicles’ sales tags.Drafted by lobbyists for dealers, who have made substantial donations to DeSantis, the law could have been a big blow to Tesla owner Elon Musk, who hosted his glitchy presidential campaign launch on Twitter.Tesla cuts out the middleman by operating its own dealerships. Forcing it...