Subject-Verb agreement with compound subjects

[potioncat]

> 
> 
> Geoff:
> Hear, hear. Well said, sir!
> 
> The only problem now is that someone will start a discussion 
> on whether the only relevant English  "authorities" are those 
> who speak  UK English or US English.
> :-(


Potioncat:
You're going to let the unwashed masses decide? Oh, dear.

Never mind UK vrs US, it'll be York vrs Cockney in the UK; Rural 
Southern vrs Urban Northern in the US---with a few other groups on 
both sides of the pond piping in with their choices. 

Grammar and pronunciation will go out the window--erm winder.