Metaliterate Learning for the Post-Truth World (excerpt)

This is an excerpt from the new book by Mackey & Jacobson for ALA Neal-Schuman Publishing entitled Metaliterate Learning for the Post-Truth World. Based on this snippet from the book how does the metaliteracy model prepare learners for the challenges of the post-truth world? Are we living in an era after truth has been exhausted or does truth still matter? Do you have ideas about how to prepare metaliterate learners for these challenges?