SAN FRANCISCO (CN) - Paul Pelosi attack suspect David DePape briefly appeared in federal court Wednesday, where prosecutors told the court they are engaged in “substantial discovery” of evidence in the case. DePape, 42, of the San Francisco suburb Richmond, is accused of violently attacking House Speaker Nancy Pelosi’s husband with a hammer at the couple's San Francisco home in October. He also faces charges in state court. **SNIP** DePape, who remains in custody with the San Francisco County Sheriff’s Department, appeared in court cuffed in orange alongside his lawyer, Angela Chuang from the Office of the Federal Public Defender....