This question is aimed to Americans, but other people are free to answer if you'd like to of course.
Do you think that a Socialist party could ever become a leading party in the USA? Either by replacing one of the two big parties or becoming a third big party in the top. Or do you think that the Democracts and Republicans will always be the two strongest parties?
With Socialism in this sence I am thinking of Euro-Socialism firstmost, something like the Labour Party in the UK or the Socialist Party in France, as two examples.