John Kerry actually said...

The President made CTBT ratification a U.S. priority in his 2009 Prague speech.

Although the policy of the last administration was not to pursue U.S. ratification of the CTBT, that has not been the current administration...

The United States is not proposing and will not support the adoption of a UN Security Council Resolution (UNSCR) imposing a legally binding ...

This Administration considers U.S. ratification of the CTBT to be strongly in our national security interest.