And yet, especially now and the coming weeks we'll all be treated to this chant in many cities around this country, and around the world.
When pro-Palestinian protesters chant "Palestine from the river to the sea," they are really calling for the "extermination of the Jewish state," one former counterterrorism coordinator warned.
"They think that Israel shouldn't exist at all," Nathan Sales told "Sunday Night in America." "This is exterminationist rhetoric and our First Amendment means that we have to tolerate this kind of speech, but the antidote for that kind of abhorrent speech is more speech. We need to expose what these Hamas sympathizers are really all about."