Stefan Halper is an American foreign policy scholar and Senior Fellow at the University of Cambridge, where he is a Life Fellow at Magdalene College and directs the Department of Politics and International Studies. Wikipedia
Stefan Halper is the FBI informant that Trump now claims was working for Hillary.
Peter Navarro is the Generalissimo of Trump’s trade war against China. Now, Altios has reported that recommended appointing Stefan Halper, a former Bush official, to become an ambassador in Asiai.
Halper already knew Navarro as a fellow China academic and had interviewed the Halper for an anti-China book.