Below are some short videos. Videos range in length from 2 to 10 minutes.
Immigration policy overview by Bryan Caplan (2:51)
Quick overview of Migration and Development by Michael Clemens (2:48)
Interview of Jason Riley by Reason TV (5:09)
Jason Riley discusses his book Let Them In: The Case for Open Borders (Amazon ebook) with Nick Gillespie of Reason TV.
Videos of Robert Guest
Immigration Policy: Disconnect by Bryan Caplan