Helena Cobban points to a study published in the London Review of Books about the Israeli lobby in the U.S. (a longer version of the study is available as PFD including 211 endnotes).
Short version: There is no real strategic interest for the U.S. in supporting Israel at this level. The support is only given, because the Israeli lobby (i.e. AIPAC) has a stronghold on Congress. This is neither in the interest of the U.S. nor in the Interest of Israel.
I wholeheartedly agree with the study and its conclusion. Many ills of the U.S. behavior in this world could be healed if the U.S. support for Israel would be based on facts and sane policy instead of lobby money and interest of a foreign country.
Some excerpts:
Since the October War in 1973, Washington has provided Israel with a level of support dwarfing that given to any other state. It has been the largest annual recipient of direct economic and military assistance since 1976, and is the largest recipient in total since World War Two, to the tune of well over $140 billion (in 2004 dollars). Israel receives about $3 billion in direct assistance each year, roughly one-fifth of the foreign aid budget, and worth about $500 a year for every Israeli. This largesse is especially striking since Israel is now a wealthy industrial state with a per capita income roughly equal to that of South Korea or Spain.
The authors explain the strategic position Israel is in and find no good reason why the U.S. shoulds support it at this level.
So if neither strategic nor moral arguments can account for America’s support for Israel, how are we to explain it?
The explanation is the unmatched power of the Israel Lobby.
…
A key pillar of the Lobby’s effectiveness is its influence in Congress, where Israel is virtually immune from criticism. This in itself is remarkable, because Congress rarely shies away from contentious issues. Where Israel is concerned, however, potential critics fall silent. One reason is that some key members are Christian Zionists like Dick Armey, who said in September 2002: ‘My No. 1 priority in foreign policy is to protect Israel.’ One might think that the No. 1 priority for any congressman would be to protect America.
…
Thanks to the Lobby, the United States has become the de facto enabler of Israeli expansion in the Occupied Territories, making it complicit in the crimes perpetrated against the Palestinians. This situation undercuts Washington’s efforts to promote democracy abroad and makes it look hypocritical when it presses other states to respect human rights. US efforts to limit nuclear proliferation appear equally hypocritical given its willingness to accept Israel’s nuclear arsenal, which only encourages Iran and others to seek a similar capability.Besides, the Lobby’s campaign to quash debate about Israel is unhealthy for democracy. Silencing sceptics by organising blacklists and boycotts – or by suggesting that critics are anti-semites – violates the principle of open debate on which democracy depends. The inability of Congress to conduct a genuine debate on these important issues paralyses the entire process of democratic deliberation. Israel’s backers should be free to make their case and to challenge those who disagree with them, but efforts to stifle debate by intimidation must be roundly condemned.
Finally, the Lobby’s influence has been bad for Israel. Its ability to persuade Washington to support an expansionist agenda has discouraged Israel from seizing opportunities – including a peace treaty with Syria and a prompt and full implementation of the Oslo Accords – that would have saved Israeli lives and shrunk the ranks of Palestinian extremists. Denying the Palestinians their legitimate political rights certainly has not made Israel more secure, and the long campaign to kill or marginalise a generation of Palestinian leaders has empowered extremist groups like Hamas, and reduced the number of Palestinian leaders who would be willing to accept a fair settlement and able to make it work. Israel itself would probably be better off if the Lobby were less powerful and US policy more even-handed.