- Five states hold their Republican and Democratic primaries on Tuesday: Florida, Illinois, Missouri, North Carolina and Ohio
- The 99-delegate Florida and 66-delegate Ohio are winner-take-all contests
- Hillary Clinton is all but assured of finishing her sweep of the South by picking up wins in Florida and North Carolina
- Bernie Sanders will try to replicate his stunning victory in Michigan last week by winning similar big, manufacturing-heavy, states: Illinois, Missouri and Ohio
Columbus, Ohio (CNN)For Republicans dead set on stopping Donald Trump, Tuesday represents a final chance to seriously impede his path to the party's presidential nomination.