Alexandria Ocasio-Cortez is hitting the national campaign trail this week with Vermont Sen. Bernie Sanders to stump for other left-wing candidates, even as the upstart 28-year-old democratic socialist's rising profile continues to rankle top Democrats.
But Ocasio-Cortez is also set to support several progressives seeking to supplant Democratic incumbents elsewhere -- alarming Democratic leaders and pundits who worry that her rising national profile and far-left politics might fracture the party ahead of critical midterm elections.
