Republican voters in Alabama and Mississippi handed Rick Santorum two more wins on Tuesday and conservative support continued to elude Mitt Romney. Plus, Newt Gingrich found reason to continue his campaign despite losing both southern states. Here are five things we learned from Tuesday night.

Turnout mattered: It’s one of the most tired clichés in politics, but unfortunately for Romney, it happened to be true in certain parts of Mississippi, where his campaign was confident about a victory.

Turnout statewide was over 250,000 — less than the 300,000 voters who showed up in the 2011 GOP gubernatorial primary, but still on par with what many political observers in the state had expected.

“Romney ran the best in the metro areas but not by as big a margin as we wanted,” said Henry Barbour, a longtime GOP operative and Romney supporter in Mississippi.

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