Westminster Council recently lost an appeal preventing MTV from staging a British version of Total Request Live in Leicester Square.
It's thought that the reason why they wanted to stop to it was the threat posed to public order by hoards of screaming teenage girls waving banners and pressing against the barriers in the manner familiar since the Beatles, Elvis Presley, The Osmonds and The Bay City Rollers.
Martha asks Elaine Showalter and novelist Jenny Colgan what it is that makes teenage girls scream hysterically when they go to a concert and why, as quickly as this behaviour starts, it stops.
