David Corn has a report out this morning that pushes the continuing attacks on Mitt Romney's tenure at Bain Capital forward not just because of the business it involves — disposing of aborted fetuses — but because it extends the length of time he worked at Bain. According to Securities and Exchange Commission documents, Romney was involved in Bain's investment in a company called Stericycle in late 1999. What did Stericycle do? Well, it was a fast-growing, profitable medical waste company. But it also had some problems, such as getting fined for keeping body parts and dead animals in unmarked...