The Fourth Republican Debate In 100 Words (And 3 Video Clips) : The Two-Way The fourth Republican debate was a substantive affair that revealed real fractures within the party on big issues.
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The Fourth Republican Debate In 100 Words (And 3 Video Clips)

Marco Rubio speaks during the Republican presidential debate at Milwaukee Theatre on Tuesday. Morry Gash/AP hide caption

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Morry Gash/AP

Marco Rubio speaks during the Republican presidential debate at Milwaukee Theatre on Tuesday.

Morry Gash/AP

The fourth Republican debate was a substantive affair that revealed real fractures within the party on big issues. On immigration, Jeb Bush went after Donald Trump, saying that to win, the GOP needs "practical" policies. Rand Paul challenged Marco Rubio on added government spending, asking, "Can you be a conservative and be liberal on military spending?" On Syria, Trump said he'll let Russian President Vladimir Putin take out ISIS; Rubio and Carly Fiorina responded with pleas for U.S. intervention. Bush, still wounded from his scuffle with Rubio, shifted his attacks to President Obama and Hillary Clinton. Rubio's finances didn't come up. Questions about Ben Carson's biography hardly registered. Three must-watch moments:

That's the quickie version of what happened in the fourth Republican presidential debate of the 2016 race Tuesday night. Our friends at It's All Politics have wall-to-wall coverage.