The ZIonist Hasbara loves facts. It loves them so much it doesnt use any, prefering lies instead.
It is useful to have some facts to hand to beat back hyperbole and nonsensical arguments.
Someone has compiled a useful set of links that can be used to combat the Hasbara propaganda: http://theamericanmuslim.org/tam.php/features/articles/consolidated-resp...
Its good to keep it handy because we have facts and the truth on our side - we don't need to get angry or insult, we can prove our points and show what the Hasbara shills present as the lies they are.