Illinois Plans Online Network to Import Cheaper Drugs By DON BABWIN    CHICAGO (AP) -- Ignoring a federal ban on prescription drug imports, Illinois' governor announced Tuesday that the state would have an online clearinghouse running within a month to help residents purchase drugs from Canada, Ireland and the United Kingdom.    The state won't import the drugs itself, but plans to contract with a Canadian company to connect state residents with foreign pharmacies that have been approved by state health inspectors...