With consummate timing the Currant Bun exposes the shambolic security at the Mother of Parliaments. Good journalism – something that Luisa Baldini, a reporter on the BBC One O’Clock News might learn from, for it was she who received the invasion tip-off call on Wednesday morning. Andrew Marr, the BBC’s Political Editor, told viewers: “I have to say that one of the BBC knew about it and didn’t think it terribly important. Another great hit for us.”