He’s leading strongly in polls, here and here, and the Labor Party has triangulated itself into irrelevancy, with Kadima not being meaningfully to the right on either economics or security, and more progressive parties parties, particularly Meretz (also here) picking up the folks who oppose Thatcherite domestic policies.

Labor simply does not stand for anything any more, and the fact that it is basically tied with Meretz is an indication that it has no ideological base.