The failure of government to act against racist South Africa led to a boycott by civilised people across the globe. This played no small part in ending apartheid. Total boycott of corporations tainted by association with the criminal regime of Ariel Sharon will help get the message across to them, and the US government, that support for ethnic cleansing rogue states is completely unacceptable.
http://www.matzpun.com/
http://www.boycottisraeligoods.org/