Vetting political ads effectively and consistently at global scale is impossible; Congress should restrict ad targeting to the level of an electoral district (Siva Vaidhyanathan/New York Times)

Siva Vaidhyanathan / New York Times:
Vetting political ads effectively and consistently at global scale is impossible; Congress should restrict ad targeting to the level of an electoral district  —  It's not about free speech.  —  Siva Vaidhyanathan is a professor of media studies at the University of Virginia.