Their email follows: (my comments in italics)
Those of you who have done this before know that the people of Voice for Israel/Stand With Us
You’ve been standing opposite us for 5 years now. And yet you still get the name wrong. Its no wonder something as complicated as Middle east History is far beyond your intellectual capacity. Its Stand With Us/ San Francisco Voice for Israel. We’ll expect you’ll get it wrong again next year.
can be very aggressive.
We are so very very scary. We’ll never forget the time when Bay Area Women in Black was so threatened by our motley group of Holocaust survivors, aging hippies, children and Rabbis singing songs of peace that they called the Oakland police .
Two years ago some of their members (including some of the youngsters)
The very scary and aggressive youngsters? Like this one?

invaded our line and tried to provoke us to react to their taunts of “self-hating,” “traitor,” “terrorist,” etc.
Children holding signs! Anything but children holding signs! No! Not that!
Although it wasn't easy for some of us, we remained silent and made no response to them at all, thereby avoiding confrontation.

Trouble is Judith, while you are bothered and offended by youngsters holding signs in support of Israel, you seem less concerned about the actions of other youngsters, like these Palestinian children practicing "non-violent resistance"
We hope this year that the S.F. Police will be a bit more vigilant than they were the last time in keeping the VOI people from getting into our line, but we're letting you know what may happen so it isn't a "surprise" if it does.
Here’s a hint, Judith. Stay across the street. Don’t interfere with people entering the festival. Thats the way to avoid confrontation.