By Jennifer Sieg In what is seen as Daniel Kretinsky’s latest plea for union approval of his £3.6bn takeover bid of Royal Mail, the Czech billionaire has said he is willing to give workers a stake in the business. According to The Sunday Times, a source close to Daniel Kretinsky said the proposal is “absolutely something we are ready to consider” after talks with the union last week. This position seems to contradict his views last month when the billionaire told The Sunday Times that giving staff a stake in the business could prove difficult as Royal Mail would be a privately owned company if…