It’s becoming increasingly clear why Attorney General Eric Holder is so reluctant to hand over subpoenaed documents to Congressional investigators. Today, House Oversight Committee chairman Darrell Issa (R-CA) wrote Holder to discuss some wiretaps related to Operation Fast and Furious, the deadly Obama Administration program that put American guns into the hands of Mexican cartel killers. Holder has always maintained that he and his top deputies were unaware of the outrageous methods employed in Fast and Furious, which involved “walking” American guns across the border, ostensibly to trap cartel bigwigs with firearms charges. No serious effort was made to track...