"The issue of whether Americans should receive subcutaneous wireless RFID chip implants that can link to their electronic medical records emerged again in Wisconsin this week, where former governor and Bush Administration secretary of Health and Human Services Tommy Thompson is considering a run for Senate. Thompson was a former board member of VeriChip, the company that renamed itself PositiveID, and once appeared on CNBC with PositiveID CEO Scott Silverman to advocate that everyone receive a chip from birth…"