Why would the lawyers choose this hill to be the hill they live and die upon? I feel like you're going to have a tough time garnering sympathy for this specific case.
That's not my original thought, but I can't find the original quote. I think it's from the ACLU, from some occasion when Jewish lawyers were defending free speech of neonazis or something.
Is the case you're looking for. On its face, ACLU defended Neonazis.
A deeper reading is that the ACLU defended the first amendment's rights of speech and of peacably assemble and redress grievances.
History: Skokie was a destination for many Jewish peoples who came from the death camps in Germany in WWII. Choosing this site for the march was intentional. However, the march wasn't actually done.