Professor Isaac’s biography is here. His article on one of the New School sites is here.
I have no patience with anti-Semitism. I have no problem criticizing the statements of anti-Zionists when I find them offensive or simply wrong. I also have no problem criticizing the statements of Zionists when I find them offensive or simply wrong.
But I do have a problem with witch hunts against dissenters. And I have a particular problem when the dissenters are members of ethnic and/or political minority groups, and they are being shouted down for having the temerity to speak up.
Ilhan Omar and Rashida Tlaib and their friends, allies, and supporters are entitled to their opinions.
If you want to debate them on the merits, debate them.
But do not denounce them or use the institutions of government to silence them.