This included an announcement of his intention to return to formal teaching , beginning with a retreat planned for early 2017 .
In September 2016 , after over three years absence from public life , Cohen unveiled a redesigned website .
This included an announcement of Cohen 's intention to return to formal teaching , beginning with a retreat planned for early 2017 .
In September 2016 , after over three years absence from public life , Cohen unveiled a redesigned website .