Super Tuesday marked a giant day in the Republican presidential primary — 10 states voting and more than 400 delegates at stake. But even after the nail-biter between Mitt Romney and Rick Santorum in Ohio, the contours of the race are unchanged from weeks ago.

Romney is still limping toward a nomination that looks nearly inevitable, if a long way away, and continues to show weakness with big swaths of the Republican base. The former Massachusetts governor has yet to win an overwhelmingly conservative electorate but none of his rivals is seriously threatening his frontrunner status.

With that in mind, here are five things we learned from Super Tuesday.