Jacoby wrote:
Now why would anybody vote for any Republican or Democrat, why not start a new party? The problem there is that our political system works completely against a third party, the is no proportional representation and the only thing running third party will do is possibly spoil the result for someone else. We have to work with in the two parties,
In presidential elections (where it is either black or white), you make a good point, but not in elections to the Senate or Congress.
If two US states elect Libertarians in upcoming elections, they'd probably have the deciding votes.
There are several real life examples of this working. Probably the best one is pre-WWI Britain, where the Liberal Party had to appeal to the Irish Nationalists in order to pass legislation. This would have resulted in Ireland becoming autonomous, except for the breakout of war on the continent.
Furthermore, if there are truly a majority of people who would prefer a third party, then it doesn't matter- they should all just go for it!