2: Base of trap beyond 1999 (7)
5: Courses finish with Decline and Fall (5)
6: 23% of Scandinavians backing leaders (3)
8: Except for last couple, Crosby croons passages (9)
10: Half disapprove of old king (3)
11: Reportedly pull down more money at work (5)
13: Unarm crook in order to go berserk (3,4)