Around 6 p.m. Tuesday, I witnessed pro-Palestinian radicals descend upon Midtown Manhattan to commemorate one of the darkest days in recent history: The Oct. 7, 2023, massacre of innocent Israelis by Hamas terrorists.  It was such a disgusting spectacle on so many levels: masked thugs parading up Sixth Avenue, chanting the antisemitic slogan “From the river to the sea” and “Israel does not exist,” terrorizing people as they left work. Hundreds of protesters literally stopped traffic in the