The case of computer whiz Aaron Swartz -- who committed suicide after federal prosecutors charged him with 13 felony fraud counts -- has become, for some, emblematic of how overzealous prosecutors are going too far in pursuit of a win. The shocking suicide -- the 26-year-old co-creator of RSS and Reddit hanged himself last month -- has led to calls to rein in the practice of overcharging defendants. Swartz could have been punished with up to 35 years in prison and $1 million in fines -- a greater penalty than some murderers face. And it was all for downloading millions...