Does this authorize an attack on Iran?

Below is the wording on the Lieberman-Kyl ammendment attached to the 2008 Defence Authorization Bill being put through the senate? Does this give Bush the authority to strike Iran? And why isn't the media covering it?

(3) that it should be the policy of the United States to combat, contain, and roll back the violent activities and destabilizing influence inside Iraq of the Government of the Islamic Republic of Iran, its foreign facilitators such as Lebanese Hezbollah, and its indigenous Iraqi proxies;

(4) to support the prudent and calibrated use of all instruments of United States national power in Iraq, including diplomatic, economic, intelligence, and military instruments, in support of the policy described in paragraph (3) with respect to the Government of the Islamic Republic of Iran and its proxies.