This being said, I think that a certain level of conflict in these relationships are inevitable, insofar as European interests are not American interests, in fact, quite a lot different as we are seeing today. America is a different place, with different history and, though many (esp on the left) claim otherwise, an increasingly different people with a different ideology steeped in the history, culture and the peculiarly insular geography (relative to other world powers over history) which is America.
The quicker Europe and Europeans get comfortable with this difference, the better imho. Fai de bèn a Bertrand, te lou rendra en cagant
Yes, there are substantial differences, and we're not going to change that. It would be good, for progressives on either side, to understand those differences sufficiently to be able to hold a conversation. At least, I think it's worth a try.