Mearsheimer and Walt have finally said what has been clear to many for years: there is something deeply worrying about the Israel lobbys influence on US foreign policy. By encouraging unconditional US support for Israel and promoting the use of American power to remake the Middle East, the lobby has jeopardized Americas own national interest. Preventing the United States from playing a more constructive role in the region has also undermined Israels own long-term security and put the interests of other countries – including Great Britain – at risk.