What a bunch of silly arguments in here. Yikes. Look at the facts:
Since 1958, when the Brazilians finally broke through and captured their first trophy, here are the times a newcomer has managed to make it into the club:
1966 - Hosts England
1978 - Hosts Argentina
1998 - Hosts France
2010 - Spain
Equally important is looking at the losing finalists list, starting with 1966 (so I can conveniently ignore the Czechs ('62) and hosts Sweden ('58); so sue me :D):
1974 - Netherlands
You got it. In the last 12 iterations, the losing finalist has been a former winner until this year, when it was a former loser.
In short, the evidence, folks, suggests that becoming a World Cup finalist is almost impossible to accomplish if you’ve never managed it before. Only three teams have accomplished it in the last 12 tournaments (Argentina was a former loser in the finals). So, for the US to manage to become a World Cup winner, it has to be able to accomplish something akin to what the Dutch ('74), the French ('82) or the Spanish ('10) have managed.
So, how did the Dutch, the French and the Spanish break into the club? Simple: they had top-level domestic leagues, with teams that were successful both at nuturing local talent and at winning or doing well in intra-continental/international club competitions.
So, in short, when you see the MLS considered on a par with La Liga or Serie A or even the Eredivisie (the 10th best European league, according to FIFA), talk to me about winning the World Cup. Until then, our best hope is a semi-final spot in 2022 when they bring the Cup back to the US.
And anyone who thinks that the US MNT is really the 13th best team in the world is simply smoking something quite hallucinogenic. Egypt, by those same FIFA rankings, is now 9th in the world. The FIFA rankings are a joke, as any who have a real understanding of international football know. The Elo ratings are more accurate (though still somewhat tainted by the lack of significant cross-continental competition; witness the African Champion Egyptians at #12), and there, the US is 25th. This would be a much more accurate reflection of our relative ability, I think. It shows what the evidence shows: the US is always going to struggle to qualify out of its initial group at the Finals, and will be VERY lucky to make the quarter-finals. Ask yourself how we would have done this year against the Germans, had the English qualified first in the group as expected. 