How would Rod Rosenstein be able to assure Trump that he could "land the plane" (i.e., that he could bring the Mueller probe to a conclusion in a way that would shield Trump)?

By setting limits on Mueller's probe -- for example, not authorizing a subpoena for Trump's testimony. https://t.co/gj8toaXYiD

— Caroline Orr Bueno, Ph.D (@RVAwonk) April 26, 2019