Marco Rubio won the fourth Republican debate — and John Kasich lost.

That’s the assessment of this week’s POLITICO Caucus, our bipartisan survey of the top activists, strategists and operatives in Iowa, New Hampshire, South Carolina and Nevada. Nearly 40 percent of Republican participants said Rubio won the debate in a survey taken immediately following Tuesday night’s contest — no other candidate had more than 12 percent.

Read the article “Insiders: Rubio Wins, Kasich Bombs” on politico.com.