The J Street has strong similarities with the appearance of Bund in in Poland and Russia. Both are anti-zionist and disdain the orthodox judaism... I would say that American Jews are giving birth to a new sect that, with time, shift from Judaism to become "neo-christian" or something new.
Suicide attacks kill at least 12 Iraqi troops near Ramadi (AP)
from the article: J Street: Criticism of Israel does not make us the enemy