This is a fact: Evangelicals will be key to whether or not immigration reform passes up on Capitol Hill. There are still plenty of potholes ahead but make no mistake: If evangelical leaders aren’t happy with the final bill (read: gay rights amendment), they’ll walk away. That’s a poison pill. In the next few months, Americans should have a better idea of whether millions of illegal immigrants will get an eventual pathway to citizenship. But first, there’s an 844-page bill to go through. More below from my report that aired nationally this morning on The 700 Club.