Same here.
1987a has long been studied and the difference in time between the arrival of neutrinos and light here on Earth is understood.
http://en.wikipedia.org/wiki/SN_1987A#Neutrino_emissions
It should also be noted that Franson is not an astrophysicist.
http://cybersecurity.umbc.edu/training/faculty/james-franson/
As long as the sun keeps rising...........