CNN Erin Burnett OutFront May 13, 2013 23:51:00
New information about who knew what, when, and who it was within the irs, jim. >> three years ago, just as the tea party was taking off as a political force in the u.s., conservative groups within the movement were being targeted by the internal revenue service. >> it's quite remarkable how long this was understood and how long the practice went on and the question is how far up did somebody know. did the president know about it. >> reporter: insisting he just found out about it late last week, president obama vowed to take action. >> i will not tolerate it and we will make sure that we find o...