Sparring onstage in the fourth primary debate, candidates for the Democratic nomination for president trained their fire on Warren, the apparent new front-runner. Many of those attacks targeted the Massachusetts senator's health care plan, while Warren fired back at what she cast as her opponents' lack of vision or determination. Meanwhile, ex-Vice President Joe Biden, once a favorite target, appeared less central than ever before.
What's next? Sure, this OZY writer says, the dynamics shifted with last night's debate — but the real moment of truth comes later this year, when primary numbers begin to gel ahead of the Iowa caucuses.