"Flip-flopping isn't always a bad thing. We want politicians to have principles, but we also want them to be flexible and to change with the times. This is an inherent tension in democratic politics, but it's a needed one. Within that tension, the work of governing gets done. It's where compromise happens, and compromise is needed in a democracy or it's not a democracy. But it's not easy: Flip-flop too much, especially on core principles, and a politician is ineffective. Stick to their principles regardless of social change or their constituents' desires, and they're even more so."