It's predicted that the Omicron Covid variant could have a significant economic impact. We explore the implications with Lena Komileva of G+ Economics. And we get a sense of public health measures the World Health Organization would like to see implemented from Dr Margaret Harris, who is a public health doctor with the WHO. Also in the programme, the bosses of aviation giants Boeing and Airbus have called on the US government to delay the rollout of new 5G mobile service amid concerns it could interfere with aircraft electronics. We find out more from the BBC's Theo Leggett. Plus, in the United States, 2021 is seen by some as the year of the Great Resignation. Over four million Americans are leaving their jobs each month at the moment. The BBC's Michelle Fleury travelled to the state of Kentucky, where the phenomenon is widespread, to find out more. Today's edition is presented by Rob Young and produced by Sarah Hawkins and Frey Lindsay.