This reminds me of when the internet bubble burst, and one lousy dot-com would acquire another before they both went bust. Both Brit Tzedek and J Street fail to understand what should be most important: that even what's left of Israel's peace camp wants them to cool it. What AIPAC has been successful in doing is listening to what the elected governments of Israel ask of them. Neither J Street nor Brit Tzedek seem to understand that, so combining them into one organization isn't going to fix it.
Israeli PM to Palestinian President Abbas: We must fight terror together (Haaretz)
from the article: Leftist Jewish lobby looks beyond 'click activists' for support