By Diane Tsai
Just ahead of Super Tuesday, Florida Sen. Marco Rubio has begun ramping up his attacks on frontrunner Donald Trump.
Watch live: Super Tuesday voting takes place across the U.S.
In fact, not only is Rubio attacking Trump, he’s lobbing schoolyard insults at him in a way that would make the Donald proud. Rubio has knocked Trump’s “orange” skin tone and called him “the greatest show on earth,” as well as levying more substantive attacks against Trump’s spotty record and his use of illegal immigrant labor to build Trump Towers.
Watch the video above for some highlights.
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Write to Diane Tsai at diane.tsai@time.com