The Archbishop of Canterbury recorded this video at lunchtime today, according to a comment here earlier. There is a transcript as well.
Archbishop: why the Covenant matters.
Mark Chapman has published at Living Church an article titled Spatial Catholicity.
Fulcrum has published several articles:
Anglicans and Covenants: A Very Brief History by Benjamin M. Guyer
The Anglican Communion Covenant: Fighting to preserve and enhance something deeply valuable by Stephen Kuhrt
Are we Anglicans or Baptists? by John Watson
Five Reasons FOR the Covenant by Gregory Cameron