Below are links to summaries of recent Supreme Court of Canada cases relating to journalists and the media:
Toronto Star Newspapers Ltd. v. Canada, 2010 SCC 21
(This ruling includes the Michael White and "Toronto terrorism" cases)
R. v. National Post, 2010 SCC 16 (The Andrew McIntosh case)
Globe and Mail, a division of CTVglobemedia Publishing Inc. v. Attorney General of Canada, et al. (The Daniel Leblanc case)
Information on other cases and legal trends is available at J-Source.ca.