http://www.msnbc.msn.com/id/25588135.../#.TpST896Ar3o
"U.S. exports to Iran
grew more than tenfold during President Bush?s years in office even as he accused it of nuclear ambitions and sponsoring terrorists. America sent more cigarettes to Iran, at least $158 million worth under Bush, than any other product."
this isn't even getting into the weapon-based transactions