San Francisco (AFP) – Tesla boss Elon Musk’s road to turning Twitter into a money-making platform where anyone can say anything looks to experts like a tough one. Musk’s $44-billion deal to buy the global messaging platform must still get the backing of shareholders and regulators. And while Musk has not revealed nitty-gritty details of how he would run the business side of Twitter, he has voiced enthusiasm for dialing back content moderation to a legal minimum and making money from subscriptions. “Other than advocating free speech, Musk hasn’t articulated a vision of what the platform can be,…