RICHARD SERRA interview on Charlie Rose
http://www.charlierose.com/view/interview/8534#
love what Serra does, and his interviews are always great. A 2nd, 23-minute studio interview below it.
Nice virtual walk-through of the MOMA 2007 "Forty Years" retrospective:
http://www.moma.org/interactives/exhibitions/2007/serra/ (http://www.moma.org/interactives/exhibitions/2007/serra/)