Who's behind J Street's evil new sibling?

I've already discussed Move Over AIPAC four times: Here, here, here and here. In this piece, Ron Radosh looks at who's behind J Street's evil new sibling.The group appears to be a new coalition, made of up “realists” like the anti-Israel duo, Stephen Walt and John Mearsheimer- both of whom will speak at their conference, and those who are old style anti-American activists from the 60’s joined