After 30 years the curtains close on regular Guardian/ICM polls
The longest lasting poll series in British politics comes to an end. This is something of a sad moment in British politics. The longest lasting polling series, ICM for the Guardian, has come to an end after a total of 30 years. Polls have been running from the firm in the paper at least monthly since January 1989 when ICM replaced Marplan as the paper’s voting intention provider. The first one, as seen in the chart above, was in January…