President Trump deserves enormous credit for his exceptional commitment to free speech at the G7 summit in Biarritz, France. Foreign leaders, like our own illiberal, liberal activists, are chomping at the bit to introduce ever more online censorship. At the G7, European leaders introduced a measure that would have drafted tech companies into the role of government censors, forcing them to police online content and remove anything that bureaucrats deem to be insensitive. Emmanuel Macron struggled in vain to conceal his disappointment as he announced that the United States had refused to sign on to his pet G7 compact, which...