SENIOR CIVIL SERVANT SIR PHILIP RUTMAN HAS ACCUSED HOME SECRETARY PRITI PATEL OF USING OFFENSIVE LANGUAGE TO HIMSELF AND HER STAFF. THIS IS A TRANSCRIPT OF A TAPE SENT IN ANONYMOUSLY TO THE 7 FOOT PIGEON "Who the fuck asked you to come in?" "Well, I er......................" "Never mind 'well, I er' and why the fuck didn't you knock first?"…