Improvathon: the 50-hour comedy marathon that's in it for the long haul
'After 30 hours without sleep, the performers become too tired to censor themselves' … Plus, Robert Newman's evolution, New Act of the Year and more news on live comedyAny plans for the weekend? Fancy spending 50 consecutive hours at the Park theatre in north London, in a room with no natural light, watching impro? No, I thought not.It looks like a tough sell, the annual Improvathon " organised as ever by Extempore…