Bill Cassidy opposes Overton's nomination due to her lack of managerial experience and role in Trump's vaccine order.

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Heidi Overton, MD, PhD, has been nominated to lead the FDA.The pick from President Donald J. Trump comes months after Martin Makary, MD, resigned from the position in May.

If confirmed, she would have to balance a raft of competing priorities

Overton is a medical doctor with ties to the “Make America Healthy Again” movement