Putting aside the questions about Lieberman and his views, I have to say it took a lot of chutzpa on the part of J Street to quote Eric Yoffie, leader of the reform movement, in the video.
After all, this is the same Yoffie who described J Street's position against Israel's recent Gaza operation against Hamas as "a mistake" and "very wrong," not to mention "deeply distressing because they are morally deficient, profoundly out of touch with Jewish sentiment and also appallingly naïve."
Yoffie protested specifically that J Street
could find no moral difference between the actions of Hamas and other Palestinian militants, who have launched more than 5,000 rockets and mortar shells at Israeli civilians in the past three years, and the long-delayed response of Israel, which finally lost patience and responded to the pleas of its battered citizens in the south.
You certainly won't find those quotes in J Street's video: