“A solid majority of Americans continue to say a third major U.S. political party is needed, but several follow-up questions in a recent Gallup survey cast doubt on their commitment to supporting one. While 55% of Americans say they are at least “somewhat likely” to vote for third-party candidates, only 15% say they are “very likely” to do so. But when asked how they would vote if a third-party candidate they preferred was unlikely to win, more Americans say they would change