. >> david heyman is making his own position very difficult. britain's fate will hinge on its european partners. -- david cameron is making his own position very difficult. if they do not agree, britain is headed toward the exit door, and this is something the prime minister does not want at all. >> cameron's speech has been troubled for months, and battle lines are already being drawn ahead of that referendum. >> the business community looks set to be a strong voice for saying in the eu. tycoon richard branson and other business leaders warned of damaging uncertainty. >> smaller businesses are also worried, but they certainly do have complaints over eu regulation. we paid a visit to two firms. >> once, this factory was full of the sound, he, and grime of trade production. this was the heartland of british industry. now it is some to modern, midsize industries. >> we do not just see britain as our home market. we see europe as our home market. we sell outside europe, of course, but it is on our doorstep. it is the easiest markets to get to, and