I think that America will not trust a party to defend America that isn't willing to defend itself.
Fortunes are made, and disappear, over the lifetime of a single generation. Today, a person in essence takes his wealth from society just for the duration of his or her lifetime. The next generation has to create it anew.
Iran stands behind a substantial number of terrorist actions against us, together with Hizballah and the Islamic Jihad. It pretends to care for the Palestinians.