The shootings at Virginia Tech have colleges and universities reexamining security on campus. Making announcements over a loudspeaker seems primitive in a world of cell phones and text messages.
Copyright 2007 NPR
Greg Allen
As NPR's Miami correspondent, Greg Allen reports on the diverse issues and developments tied to the Southeast. He covers everything from breaking news to economic and political stories to arts and environmental stories. He moved into this role in 2006, after four years as NPR's Midwest correspondent.