The Islam that we know is a faith devoted to the worship of one God, as revealed through The Holy Qu'ran. It teaches the value and importance of charity, mercy, and peace.
We are not at war with the Afghani people, and we are not at war with Islam, which most Americans respect as a religion of peace.
Islam, as practiced by the vast majority of people, is a peaceful religion.
Iran is obviously part of the problem. They sponsor Hezbollah. They encourage a radical brand of Islam.