Actually, he has not addressed it at all. Rest assured, had an Israeli man stabbed a palestinian to death on the bus, the froth from his mouth would have started a nationwide rabies alert.
But he did say this, less than a day after the murder and Hamas celebrating it:
@isodera @urihoresh I don’t see @sallyidwedar as rival. I see her anti-Hamas bias as misguided & harming Palestinian resistance.
— Tikun Olam (@richards1052) November 14, 2013
‘Nuff said.