Archived here
He speaks of times of Pascha in the GULAG when Orthodox, Catholics, and Jews celebrated briefly together as guards ignored them briefly. At other times of course any prayer or exhibition of religion resulted in an additional 10 years sentence in the prision camp, or outright death sentences.
DISCLAIMER: Catholic Answers has turned over the archive to Catholic-Questions.org and no longer owns, manages, or moderates the forums. For additional apologetics resources please visit www.catholic.com.