Napolitano suggested that International Civil Aviation Organization (ICAO) -- an agency of the United Nations -- set standards that would apply to all international airports, strengthening weak links in the security chain.
The receding breakup fear also hit momentum among governments to correct the flaws in the euro zone's makeup, slowing the push to complete a euro-zone "banking union" and to cut the links between governments with weak finances and feeble banks, which was undermining confidence in both.