The United States has approached Iran about dispatching a high-level humanitarian mission to Tehran, headed by Sen. Elizabeth Dole (R-N.C.) and including a member of the Bush family, U.S. and Iranian officials said yesterday. The delegation would carry additional assistance for survivors of the devastating earthquake last week that killed more than 28,000 Iranians. The overture, made by Washington on Tuesday, awaits a response from the government of President Mohammad Khatami, U.S. officials said. Full Story