Over the Christmas weekend, Chicago surpassed the 750-murder mark for 2016. But as blacks lay dying on the streets of Chicago’s South and West Sides, a Black Lives Matter offshoot is more interested in traveling overseas to learn “resistance” from terrorists. The Dream Defenders bills itself as “an uprising of communities in struggle, shifting culture through transformational organizing.” But an investigation conducted by the Haym Salomon Center reveals the group’s embrace of anti-Semitism and collaboration with a State Department-designated terror group. In August, Black Lives Matter singled out Israel for condemnation, declaring it an “apartheid” state engaged in “genocide.” These...