difference. captioning sponsored by cbs this is the cbs evening news with scott pelley. pelley: good evening, you might say president obama needs a 333 plan. that s how many days he has to convince american voters that he should be reelected. 333. he s up against some tough new numbers tonight. take a look at the new cbs news poll. the president s job approval rating is 44%, and that poses a big challenge because, according to the gallup poll, no president since truman has been reelected when his approval rating was below 48%. then we asked this question. does president obama deserve to be reelected? more than half, 54%, said no. the weak economy is largely to blame. in a 60 minutes interview with steve kroft today, mr. obama compared himself to a captain in a storm. no matter how well we re steering the ship, if the boat s rocking back and forth and people are getting sick and they re being buffeted by the winds and the rain, at a certain point if you ask them are y