'The Hammer and the Dance' are terms used by Tomas Pueyo to describe two stages of Coronavirus management. The Hammer - major restrictions on most normal social activities - is where we are now. The Dance - managing to return to something like normality without allowing the virus to spread - is where we seem to want to be. But what would the details of that look like, and, as things are now, are we on course for an easing of restrictions on May 5th? Simon Carswell has been looking at the possibilities and the risks. He talks to Deirdre Veldon.