Chris Rywalt set me straight: Mel's appearance at MoMa is on the site here. You just have to do a little scrolling:

Modern Mondays: An Evening with Mel Chin April 27
Mel Chin (b. 1951) is an internationally celebrated and socially engaged conceptual artist whose work encompasses several disciplines. Already well known for interventions, earthworks, drawings, and works in other mediums, the Texan artist recently turned to filmmaking. In 2007 he completed his first animated work, 9-11/9-11, which confronts a pair of historic September 11s: Augusto Pinochet’s 1973 coup d’état in Chile, and the 2001 terrorist attacks in New York City. The video will be screened twice, and a discussion with the artist and the audience will take place in between.