Political Section Of Quiz

[megfitz]

Doing a Cryptic Quiz and would appreciate help with the following please:
Headed this House:
(a)Separation movement to stifle debate...(10,6)
(b)Fun strategy at Westminster..(7,5,8)
(c) Corridor of power in the land..(11,5)
(d) Picked over by Oliver's men...(9,10)
(e) Grumpy advocate of free speech..(12)
(f) Cracking place!..(5,6)
I know this isn't the quiz page, I'm relying on your specialist knowledge. thanks.

[kettledrum]

B playing party politics ?

[kettledrum]

F whip's office

[kettledrum]

A guillotine motion

[kettledrum]

D Barebones Parliament

[megfitz]

Brilliant! Thank you Kettledrum. any ideas on c and e?