Call in and explain to help the RP supporter speaking now. He doesn't know why the Cole was bombed, remind him that the Arab world (and Iran) in general was already long angry at the U.S. for its activities in past decades. Especially for supporting Israel militarily and financially since the Six day war (1967), and various other activities, like the removal of power of Mohammed Mosaddeq from power in 1953 to install the Shah, bombing of Iraq since 1991, interference in Lebanon in the 1980s. Funding both sides in the Iraq-Iran war, etc.