Reporter's Notebook: The Republican-led vote that revealed Democrats' new divide on Israel

Things sometimes evolve slowly in politics. There’s a perception, axiom or maxim which is agreed upon in politics. But over time, it changes.

Sometimes the change is subterranean. The tectonic political plates move. But no one is quite aware of what’s happening until one event crystallizes the shift.

Such is the case with support in the Democratic Party for Israel.

HOUSE DEMOCRATS FRACTURE BADLY OVER MASSIE AMENDMENT TO CUT $3.3B IN U.S. AID TO ISRAEL

The politics of supporting Israel have moved for several years now.