From the Center Nelson Mandela once said, “I never lose. I either win or I learn.” So let’s agree that the Democratic Party is about to enter a learning phase. But the lessons they learn, and ultimately the path they choose moving forward, will be determined by what they see in their rearview mirror. Right now, any number of their party leaders are prescribing markedly different strategies for regaining their lost political standing. Not surprisingly, their competing recommendations are...