How did the LGBT movement go from a losing streak around same-sex marriage to an epic victory?

I argue that the tide has turned for same-sex marriage after decades of struggle.

First, LGBT organizers have become better at organizing campaigns to fight these ballot measures. And these campaigns have become more effective at identifying supporters, fundraising and recruiting volunteers. In this case, the states in question were small enough in population that campaigns could reach many supportive voters through phone banking or door-to-door canvassing.

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