So you would know. USA gets a lot more from Israel then just return on their money(not to mention that Israel only country in ME that promtly repays its debts). US cannot afford to lose the only democracy in the ME. Israel is in avangard in research and developments in science and technology including NANO-TECHNOLOGY and US greatly benefits from that. And please Do not compare South Africa with Israel. Currently South Africa is #1 Children Rape Capital of the World. In Israel many arabs own businesses and live in villas.
Saudis warns U.S. that 9/11 responsibility law would erode investor confidence in America (Reuters)
from the article: U.S.: Israel plan to build in East Jerusalem harms peace process