Britain's New Migrants. As the general election approaches, immigration is once again high on the political agenda - but what is the reality for eastern European workers new to the EU? Migrants who cannot find legal employment are easily absorbed into the black economy, and many work for pay British workers would not tolerate. Vivian White gets the lowdown from workers, their employers and politicians. Producer Tristan Quinn ; Editor Mike Robinson Signed repeat on Thursday at 2.05am www.bbc.co.uk/panorama NOTE: as Panorama reacts to news, its subject matter may change