Saturday Times Prize Crossword 25089 Saturday February 18th 2012

[RocW]

Some of the wordplay was a bit obscure this week, or is my brain giving in? I am left with 18D: One unexpectedly does right in America. I have N?O?O?S assuming that 17A (To hand over service, make fresh poster) is "ON ONES DOORSTEP. I can't follow the logic on that: I can see that the answer is "to hand" and that the last six letters are an anagram of "POSTER" but I don't see the front end at all. Any enlightenment and explanation will be very gratefully received

[bibblebub]

18d NEOCONS [=right in america]
one unexpectedly = NEO, does = CONS

[bibblebub]

over = O
service = NONES
make = DO
fresh poster = ORSTEP

[Calibax]

O(ver) Nones(service) Do(make) + anagram of poster

[Timessolver]

The answer is 'neocons'. 'One' becomes 'neo', 'cons' is 'does', and neocons must be the right, politically, in the US.