To reform parliament properly you have to reform the money - as it is the money that corrupts.
To get elected you need money, to get money you have to entertain lobbyists, and it is the lobbying that leads to corruption and stupid laws like the Digital Economy Act.
My approach would be to ban private financing of political parties. Airtime would be given on television, radio and print automatically for a political campaigner - with some proportion of airtime division based upon size of the vote at previous elections.
The next problem is the party whip system. With every member of a party voting the same in accordance with their party whip the problem is that the MP's no longer represent their local population. This is not the purpose of having a regional representative.
I would make the party whip system a criminal offense, and all parties using a whip subject to heavy custodial penalties. MP's should represent the people who voted for them and not their party political line.
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The recent years of British politics have left me very disillusioned. Every time I vote for a left of centre party (and most of the British populace are left of centre) they go and swing to the right the moment they get in to power. It happened with Labour, and it happened with the Lib Dems.
Currently I am considering a vote for the Green party, their manifesto is the only one I can bring myself to vote for ethically - although I know some of it is impractical and would not be financially viable, the spirit of it is good.
All the 3 major parties in Britain are right of centre, they are part of this new breed of "social Conservatism" where on the face of it they promote this "social" frontage - pretending to be ethical and interested in the people, and yet behind the scenes they abolish things like the NHS equalities commission for being "too much red tape" and replace it with an organisation that ensures the interests of equality and diversity do not hinder with the "fairness" of the white wealthy man to make money out of the system.
I voted for AV in the referendum but only because PR was not an option. We should have been offered PR. A coalition is not a weak government, a coalition is a government that has to consider the views of others before getting it's own way on whatever it wants, and that is a good thing.