Khalil, there is another player that everyone is ignoring. It has far more influence in the Bush administration than Israel, and Bush has more connection to it than to Israel. Saudi Arabia. The House of Saud is concerned about the influence of Iran. Indeed, Saudi seems to have restarted it's own nuclear "research" program, after getting the US to twist the IAEA into reducing inspections and safeguards. So, Bush has something the Saudis want, the ability to strike Iran, and the Saudis have the monetary clout to make sure that Arab banks think long and hard before pissing Bush off.
Saudi king to meet with Obama on Friday amid Gulf concerns over Iran deal (Reuters)
from the article: When the Arab boycott is aimed at Palestine