Before invoking that guy, have a glance at this first: http://www.human.cornell.edu/hd/upload/CIWS-module_ESP.pdf

The above is something I quickly found - one of many examples. It doesn't have any hallmarks of quackery that stand out to me. I've always wished Mr Randi would graduate to confronting more formidable scientists in the field, rather than picking on spoon benders[1] and other lunatics. He is a powerful thinker and has some great work behind him, but he's missed some important opportunities to challenge himself.

1. Uri Geller