TRIPOLI, Libya — Some weapons depots in Libya have still not been secured properly, and “much has already gone missing” from unguarded sites, the top U.N. envoy in Libya said in an interview Sunday. Preventing more weapons from being smuggled out of country will be difficult, considering the nature of the vast desert nation’s borders, the envoy, Ian Martin, told The Associated Press. 0 Comments Weigh InCorrections? inShare. (Giulio Petrocco, File/Associated Press) - FILE - In this Sunday, Sept. 4, 2011 file photo, Ian Martin, special adviser for the United Nations in Libya, appears at a joint UN-National Transitional Council...