New Jersey politics will be turned on its head by Friday’s ruling from a federal judge that guts the power of the county bosses, all sides agree. But what exactly will the demolition of the infamous county line change? Let’s take a look. First, it will open the doors to a flood of new candidates for office. Good civic-minded people won’t have to kiss the ring of the bosses anymore. They can collect signatures on their own and qualify for a spot on the ballot with equal standing, a fair shot. Take Camden. Would you want to ask George Norcross for his blessing after his machine just disgraced it…