I think by now we are all familiar with the particular form of Habad messianism that holds the deceased Lubavitcher Rebbe, R. Menahem Mendel Schneerson, to be the messiah. There are some who believe that he is already the messiah and wait for his resurrection, some who even believe that he never died, some who believe that he will definitely be the messiah when he is resurrected and some who believe that he probably or might be the messiah after his resurrection. Some, from what I understand a minority, believe that their Rebbe can no longer become the messiah. These beliefs have been documented and addressed in two books: The Rebbe, the Messiah and the Scandal of Orthodox Indifference is a history of and commentary on the subject and Can the Rebbe be Moshiach? is an analysis of the textual...