Major brands are weighing the option of boycotting Twitter after a Reuters investigation found their ads appeared next to tweets soliciting child pornography, while the leftist tech company insists it has “zero tolerance” for child exploitation. Some brands, including Dyson, Mazda, Forbes, and PBS Kids have already suspended marketing campaigns on Twitter, according to the report. A Reuters review of data from cybersecurity firm Ghost Data found ads for major brands appearing on Twitter alongside tweets that sought or promoted child pornography, including one user who tweeted “trading teen/child” content, as well as “13+” content and “young looking nudes.” Such...