greatest_challeng can be found in 1 cue lexicons and 15 speeches. Its been used 16 times by 7 candidates.
achiev energi independ is on of the greatest challeng we ever face __PUNCT__ and it will be the great project of our gener __PUNCT__
Barack Obama in 2008.07.11 during the 2008 General elections.
the war in iraq ha embolden iran __PUNCT__ which pose the greatest challeng to american interest in the middl east in a gener __PUNCT__ continu it nuclear program and threaten our alli __PUNCT__ israel __PUNCT__
Barack Obama in 2008.03.19 during the 2008 Primary elections.
it wa a miracl that wa distinctli american __PUNCT__ the idea that in the face of imposs odd __PUNCT__ peopl who love their countri can rise to meet it greatest challeng __PUNCT__
Barack Obama in 2007.05.07 during the 2008 Primary elections.
and yet __PUNCT__ while the compromis is a good first step and a good faith effort __PUNCT__ i believ that we must go even further __PUNCT__ and here why __PUNCT__ break our oil addict is on of the greatest challeng our gener will ever face __PUNCT__
Barack Obama in 2008.08.04 during the 2008 General elections.
make no mistak __PUNCT__ develop the next gener of energi will be on of the greatest challeng that thi gener of american will ever face __PUNCT__
Barack Obama in 2007.10.08 during the 2008 Primary elections.
greatest_challeng is found in the following speeches