Like Jews worldwide, Orlando philanthropist Alan Ginsburg was deeply shaken by Hamas’s brutal Oct. 7, 2023, attack on Israel, which killed 1,200 and took hundreds hostage.  Soon, numerous elite U.S. university campuses erupted, displaying anti-Israel rhetoric sometimes spilling into crude antisemitic tropes. Ginsburg felt civil discussion’s decline into polarized shouting matches was unhealthy in a city of tourism and theme…