Through her Eagle Forum she organized state-by-state to block further ratification, and to have states rescind their ratification.

Still, there is not believed to be enough support to block ratification.

But several senators who oppose any possible infringement on American sovereignty have repeatedly blocked ratification of the treaty.

Three last-minute glitches have sprung up, none likely to block ratification.

Senate Republicans have estimated that more than 40 Senators oppose the test ban, more than the 34 votes necessary to block ratification.

"No" votes by eight clubs would block ratification.

Until this month, they were threatening to block ratification of the treaty.

Sunni turnout was substantially heavier than for the January elections, but insufficient to block ratification.

Indeed, Mason's opposition nearly blocked ratification by Virginia.

I have repeatedly warned that the Parliament of the Czech Republic will block ratification of the related aviation agreement for the same reasons.