TORONTO — Shirley Douglas, the impassioned Canadian activist and veteran actress who was mother to actor Kiefer Sutherland and daughter of medicare founder Tommy Douglas, has died.She was 86.Sutherland announced his mother’s death on Twitter, saying she succumbed to complications surrounding pneumonia on Sunday morning.“My mother was an extraordinary woman who led an extraordinary life,” said Sutherland.“Sadly she had been battling for her health for quite some time and we, as a family, knew this day was coming.”A native of Weyburn, Sask., Douglas worked with famed directors including Stanley Kubrick (“Lolita”) and David Cronenberg (“Dead Ringers”), and won a Gemini Award for her performance in the 1999 TV film “Shadow Lake.”She also