CHICAGO, Illinois, July 19 -- The University of Chicago issued the following news: * * * Nobel laureates, other experts sound alarm on mounting risks of nuclear war Major assembly at UChicago concluded July 16 with steps to cut risk of global catastrophe By Andrew Haffner Following a three-day conference at the University of Chicago, on July 16 a group including 13 Nobel laureates and 40 nuclear experts issued an urgent appeal to world leaders: Return to diplomacy now to stave off nuclear w  more