sentences:  The delegations have included former Labour Minister for Education and Minister for the Arts, Baroness Tessa Blackstone, Labour's Shadow Minister for Early Years, Tracy Brabin, and former Secretary of State for Scotland, former Government Deputy Chief Whip and Liberal Democrat MP for Orkney and Shetland, Alistair Carmichael.Caabu runs a programme of private and public events.The organisation hosts expert speakers at the House of Commons, party conferences, the Arab-British Chamber of Commerce and universities.