The last few Presidential elections have had third parties. This is good, in the sense that more issues get debated, and voters are offered more choices about those issues.
Some people find themselves voting against someone, rather than for someone.
There's got to be a better way. There is, and it's called preferential voting. The idea is that you vote for a first choice, but also for a second choice. So, The Sixth Sense came third and was out of the running. Each ballot for that movie was then treated as a vote for that ballot's second choice.