Rep. Marjorie Taylor Greene (R-Ga.) earned scorn from her Democratic colleagues for referring to herself as an expert in “recognizing bullshit” during a Thursday hearing on improving vaccine safety systems and Americans’ trust in vaccinations. “I’m not a doctor, but I have a Ph.D. in recognizing bullshit when I hear it,” Greene said shortly before confronting experts from the Food and Drug Administration (FDA) and Centers for Disease Control and Prevention (CDC) on their policies. Greene did not pose any questions to the witnesses and accused Peter Marks, director of the Center for Biologics Evaluation and Research (CBER) at the...