That's structural. Our system stabilizes at two viable parties. For one of the two to encourage a third party, without changing the system first (which would li

That's structural. Our system stabilizes at two viable parties. For one of the two to encourage a third party, without changing the system first (which would likely mean constitutional amendments, so, will never happen) would be to invite the imminent destruction of one of the two existing parties—probably their own, if they're promoting parties at-all similar to theirs.