[pgs-rg] Corrected link

Thanks to Valeria for pointing out that ths link to the presentations from yesterday was broken. I have now fixed it, so you should be able to get to the talks now. thx LM ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Laura F. McGinnis, Project Coordinator Data & Information Resource Services Pittsburgh Supercomputing Center email: lfm@psc.edu 4400 Fifth Avenue, # 409D voice: 412-268-5642 Pittsburgh, PA 15213 fax: 412-268-8200 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++