...The reason for this posturing from BC Premier Clark is simple; politics.  The Premier and her party are trailing the BC New Democrats by more than twenty points in the polls, and the public is deeply opposed to the Enbridge line.  The BC Greens and NDP both oppose the pipeline without exception, and now the Liberals have decided that they'll oppose it, unless they can get the ransom they want.  The BC public isn't falling for such a transparent game.  
If the Liberals are opposed to the pipeline like they say, then they should simply oppose it instead of proving that they're willing to be bought off for some money.  Same if they support the pipeline, just support it instead of prostituting the province off.  Sadly, that isn't in the nature of the BC Liberals, who are eager to sell off everything of value in the province in order to fuel their ideology and personal greed and corruption...