Lutfur Rahman’s name is usually prefixed with the word “controversial”. It is an apt description of the first directly elected mayor of Tower Hamlets, in east London. He is the council’s ex-Labour leader turned independent mayoral candidate who won 2010’s election amid political intrigue, mudslinging and alleged links to Islamic fundamentalist groups – allegations he has repeatedly and categorically denied. His win, with 51% of the vote, handed Britain its first Muslim and Bangladesh-born executive mayor and the Labour party an intractable gulf between national leadership and grassroots activism. The rest of my piece is on the Guardian’s Society page.