All clues involving Tory, Conservative, Lib-Dem and other British pols are a real challenge for this Canadian. Authors are usually not so bad but I'm blocking on this one.
Thanks for Ref.
Thanks for the bits of help.
I guess Tory author is osborne
After my first post I got "THEREFROM" for 13d "whistler constrained by impossible mother, leaving that place"
REF surrounded by the letters of 'mother'.