Marco Rubio, needing a breakout performance going into Tuesday’s Florida primary, changed tactics and used substance during Thursday night’s GOP debate to attack Donald Trump on several fronts – while Trump, subdued and trying to look more presidential, held steady to the campaign-tested themes that have made him the front-runner.

At the end of the two-hour debate, Trump — coming off a string of primary wins — summed up the reality that Rubio and rivals Ted Cruz and John Kasich face: that only “two of us” can get the delegates to win – meaning Trump and Cruz — and “two of us” cannot, referring to Rubio and Kasich.

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