London mayor Boris Johnson says abandoned welfare cuts a mistake

London mayor Boris Johnson, the leading figure in the campaign for Britain to leave the European Union, said embattled finance minister George Osborne's now abandoned welfare cuts were a mistake. Prime Minister David Cameron's ruling Conservative Party, already divided over EU membership, was plunged into chaos over the weekend after a senior minister quit over the cuts to disability benefits known as Personal Independence Payments(PIP). The resignation of eurosceptic Iain Duncan Smith has piled