Crisis Mode - A fair and constitutional option to beat the filibuster game.

I prefer calling it the constitutional option.

Using that option - Republicans now call it the "constitutional option" - would call for 51 votes, a simple majority.

Government paper: "Interpretation: A legal and constitutional option"

These constitutional options were then submitted to the people in two referendums in 1948.

This is called the constitutional option by proponents, and the nuclear option by opponents, who insist that rules do remain in force across sessions.

Would a procedural effort to halt Senate filibusters be deploying the nuclear or constitutional option?

The SNP decided to withdraw as they felt that independence would not be a constitutional option countenanced by the convention.

Mr. Feingold today called it "important to explore all constitutional options aimed at curbing abuses in our system of campaign finance."

Both sides are studying constitutional options anew.