Do opinion polls have value? Methodology under fire as election predictions have been wildly off in past

EDMONTON – With the provincial election campaign underway, public opinion polls are already surfacing — and with them, concerns about their methodology, accuracy and value to the public after they failed miserably in previous votes.
Three years ago, not one poll available to the public accurately predicted the Progressive Conservatives would surge past the front-running Wildrose. The next year, in B.C., 10 polling companies failed to forecast the Liberal win over the NDP.
So, what can be done? Are accurate polls a thing of the past, relegated to a time when everyone had a land line and answered their calls?
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