 More clearly respond in the future. The next week, Facebook officers spoke with Slavitt and Flaherty about reports of a rare blood clot caused by the Johnson & Johnson vaccine. The conversation quickly shifted when the White House noticed that one of the most viewed vaccine-related posts from the past week was a Tucker Carlson video questioning the efficacy of the Johnson & Johnson vaccine. This is a free country. We're allowed to question and be skeptical of big pharma.