This is not far-fetched. After all, most of CHABAD thinks its dead rebbe is the messiah and a messiah who returns from the grave is a deeply held Christian theological tenet. Boteach is simply the next step in CHABAD's inexorable march toward heterodox Christianity.
Netanyahu orders more demolitions of terrorists' homes in attempt to crack down on terror (Haaretz)
from the article: New book by U.S. rabbi depicts Jesus as a Jewish patriot