Source: In These Times by Branko Marcetic For the past three decades, the Democratic Party has been living with a debilitating trauma that’s left it a shell of what it once was. But if Tuesday night’s debate is any indication, the Democrats may finally be moving into the home stretch of a long, painful recovery. Rather than sticking to the longtime script of Democrats pandering to the center, the two highest polling candidates on the stage—Bernie Sanders and Elizabeth Warren—articulated a clear-eyed left-wing vision of the direction the party should take. Sanders railed against the “ruling class” while advocating enshrining…