Uber's plan to allow London's iconic black cabs to use its app

Uber invites London's black cab drivers to its app but will it work after years of rivalry? We ask Uber's general manager in the UK, Andrew Brem.Nigeria's president, Bola Tinubu, has promised to significantly narrow the country's budget deficit. We listen to the details.And we talk to Margrethe Vestager, candidate for the presidency of the European Investment Bank.