Labour races into seven-point lead as ratings for Nigel Farage show sharp fall

Observer/Opinium poll puts Labour on 36%, with the Tories on 29% and Ukip down three points to 16%Labour has opened up a seven-point lead over the Conservatives in the latest Opinium/Observer poll, which also shows a sharp fall in the personal approval ratings for the Ukip leader, Nigel Farage.The survey will be a boost for Labour and its leader, Ed Miliband, who has endured a torrid time since the autumn conference season as the political parties prepare to enter a general election year. Contin