If the boycott is done and it spreads to other countries what will happen? Conveniently, a terrorist act wil take place (committed by agent provocateurs) and Israel will say "We told you so." These terrorist acts (whether it was the killing of the Isrealis at the 1972 Munich Olympics, or the hijacking of Air France Flight 139, where hostages were held at Entebbe Airport in Uganda, or the hijacking of the Italian cruise ship Achille Lauro), benefit Israel more than it does the Palestinians
If these British teachers want things to improve for the Palestinians, why don't they set the example by having their government stop its participation in the occupation of Iraq?
This also goes to the Americans on the radical left who want to talk about Israel's treatment of the Palestinians, but do not want to discuss the United States' war crimes around the world.
Here are two good articles about the events in London and Glasgow. One is by Pham Binh http://www.dissidentvoice.org/2007/07/glasglow-murderous-masterminds-or-hopeless-idiots/
the other is by Kurt Nimmo http://kurtnimmo.com/?p=915