Who Is The “Designated Survivor” For State Of Union Address?

UPDATE AND CORRECTION  (My apologizes for the confusion.)

NBC’s Savannah Guthrie reports that the “designated successor” tonight is Interior Secretary Ken Salazar.

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I have looked online, and can not find it.

Perhaps it has not been announced yet?

Or my searching capabilities are not as keen today.

The designated survivor is the one that is not at the State of The Union speech in case the political world suffers a blow, and one is needed to continue government succession.

Here is a list of those who had the title of designated survivor over the years.