As Donald Trump spent eight months marching a parade of insults over any and all detractors, Marco Rubio survived by staying mostly on the sidelines.
Rubio suddenly and urgently emerged from the shadows to hammer the front-runner on Thursday during the 10th Republican presidential debate. Florida's junior senator compared Trump to a sketchy sidewalk salesman in New York City, accused him of hypocrisy for hiring the undocumented workers he now wants to deport, and ridiculed the former reality TV show host for failing to articulate health-care policy details.
