harvard business school professor eugene soltis talked about the motivations of collar criminals. former senate majority leader george mitchell. and editor at large for the guardian, gary younge, discussed his investigation of gun violence in america. in the coming weeks on "after words," johns hopkins professor ellen silvergeld will report on industrial meat production. "wall street journal" news editor jo ann lungren. also dr. sylvia eterra will discuss new research on how our bodies react to fat. and this weekend jason brennan will weigh in on the flaws in democratic systems. >> guest: in that book he asks when presidents, when people in the public disagree about what policies to implement, say people in the tenth percentile of income, the 50 and the 90th, what do presidents do? with whom do they side? in general, presidents tend to side with people on the 9th per seen tile. george w. bush was actually much more likely to side with the tenth percentile of income than other presidents were. so when he writes this, he's a little bit horrified because he's a small d democrat, and