Fifteen years after Mitt Romney stood on an Iowa hay bale and proclaimed that “corporations are people, my friend,” his declaration is no longer mockable. The amount of money corporations spend anonymously to sway federal elections has increased from $359 million in 2012 to $1.4 billion in the most recent presidential cycle. All of that spending by “dark money” nonprofits is protected by the same right to free speech enjoyed by “natural persons,” because the Supreme Court decided in Citizens