The One That Feels Strange On A Broken Escalator

Bush and Richie's last show together tonight and Richie is curious about the feeling on being on a broken esculator, there is some heavy research into finding out why this happens and it feels so strange. Hint: Richie has measured an average step in Absolute Radio Towers.  Bush has had a 'Posh' Jacket Potato for dinner last night and wondering what things makes the nation's dinner 'posh'! McDonalds on a plate, eating pizza with cutlery?