The main argument against proportional representation (PR), and I'm not saying it's a valid one, is that it would result in hung parliaments i.e. no party having overall control to form a government. The Liberal Democrats have argued for PR for many years.
Nemo
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"I'm afraid there is no disguising the fact that King's obsession with the Pacific and the Battle of Washington cost us dear in the Battle of the Atlantic".
Sir John Slessor GCB, DSO, MC, DL
AOC-in-C Coastal Command RAF
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