“All my research is on things that social media platforms can do to make things better,” said David Rand, a professor at MIT and one of the authors of the study testing the impact of Trump praising vaccines. “But I think TV and radio, particularly conservative TV and radio, are essentially getting a free pass right now, even though they’re doing amazing harm.”The Biden administration’s criticism of Facebook is a double win for Fox News. Not only does it draw attention away from the network’s own culpability for the vaccination gap, but it feeds a potent …