Fixing the Visa QuagmireThe U.S. has made numerous changes that have reduced delays, but negative perceptions abroad persistBy KELLY FIELD When Elena Casacuberta returned to Spain last Christmas, she planned on staying for just a few weeks. A postdoctoral associate at the Massachusetts Institute of Technology, she had renewed her work visa three times since coming to the United States in 2000, and assumed... Copyright © 2008 by The Chronicle of Higher Education Subscribe | About The Chronicle | Contact us | Terms of use | Privacy policy | Help |