Stuck on right-hand side. 6 dn. Say, a drug session secures end of blue balls (5,5) -t-e- --i-e 14 ac. Nick put said modern artist in his place? (9) p-r---r-- 15 dn. Penthouse-style on-the-job situation coveted by would-be cabinet ministers (4,6) --g- o-f-c-e I think 15 dn. is "high office", in which case the middle letter of 14 ac. is an "h". Help, please!