1- Risk using knife (4) ?R?S 2- Director on board of old rail company, introduced to chap with real power (8) ?E?M???? 3- One may find some workers like this break period (4-4) ???T - ?I?E 4- Commonwealth capital has something beneficial on both sides of the street (6) ???E?E 5- What ultimately is keeping this compiler? (5) T???S 6-6-Get flummoxed, having new place in mind (7) N???L?S 7- Outside home, what's used for walking doggy (6) ?????E 8- Figure, digit (7) ?U?S?A? 9- Daddy's legs for Mary (7) ??P?I?S 10- Rubbish; food (5) ??I?D 11- Cause of great trouble (11) ??A?U?A?I?N