“Last month the CBC cancelled three of its critically acclaimed but low-rated series — Da Vinci’s City Hall, The Tournament and This Is Wonderland — prompting accusations that the broadcaster was placing too much emphasis on viewer numbers. But in his speech, CBC president Robert Rabinovitch said CBC-TV should be “taking risks and producing programs that innovate — Canadian equivalents to The Office from the U.K. or Six Feet Under from next door.”