LONDON (Reuters) – Supporters of WikiLeaks founder Julian Assange formed a human chain outside Britain’s parliament on Saturday to demand an end to an attempt by the United States to have him extradited to face criminal charges. Hundreds of protesters, including Jeremy Corbyn, the former leader of Britain’s opposition Labour Party, gathered in a line which stretched from parliament’s perimeter railings and snaked across nearby Westminster Bridge to the other side of the River Thames. Stella Assange, who is married to the Australian-born activist, said the British government should speak to aut…