With Texas, Ohio, Vermont, and Rhode Island all on the line, many believe that today may showcase the most conclusive results yet in the primary season.

John McCain looks to wrap up the GOP nomination and the Dems work on settling things in their dogfight. While Barack Obama's advisers claim there's little Tuesday can do to improve his opponent's standing, Hillary Clinton says she's "just getting warmed up," and plans to take each of the four critical, delegate-rich contests by large margins.

Another Tuesday. Another chance for an indeterminate tease--like Still Significant Tuesday.

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