vital_interest can be found in 3 cue lexicons and 9 speeches. Its been used 9 times by 3 candidates.
no presid should ever hesit to us forc __PUNCT__ unilater if necessari __PUNCT__ to protect ourselv and our vital interest when we ar attack or immin threaten __PUNCT__
Barack Obama in 2007.04.23 during the 2008 Primary elections.
vital_interest is found in the following speeches