Israeli military advance into Lebanon threatens a response from Iran, which could come to the defense of Hezbollah, triggering an escalation of the war that could jeopardize US forces in the region, states Air Force Gen. CQ Brown, chairman of the Joint Chiefs of Staff. The general stated that Iran supports Hamas but would provide greater support to Hezbollah, especially if they feel that Hezbollah is under serious threat. Brown spoke to reporters during a trip to Botswana for a meeting of defense ministers from African countries. Threat of an offensive Since the start of the war in the Gaza St…