Tues May 31, practice talk, 3 pm CST Video: dial 826763 at 384 kbs Call information: 1-510-883-7860; at the prompt enter 826763 followed by # sign draft slides for NUSAG talk: version 4 ppt, May 31, 2005 version 3 ppt and pdf, May 28, 2005 version 2 ppt, May 26, 2005