1. As opposition MPs challenged Justice Minister Peter MacKay to come to the defence of Supreme Court Chief Justice Beverley McLachlin in response to an unprecedented public rebuke by the prime minister, Liberal MP Irwin Cotler, a former justice minister himself,  took questions from the twitterverse on the nomination process, and the current controversy:

  2. Here's how that conversation went down:
  3. Not all his questioners were convinced that the court had made the right call in declaring Nadon's appointment null and void, mind you:
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