By Tom Bemis Why a Department of Agriculture investigation of Neuralink probably won’t have a significant impact. Elon Musk’s brain-implant venture Neuralink is reportedly facing investigation by the U.S. Department of Agriculture for allegations of animal cruelty in its experiments on live animals. The probe was reported by Reuters and centers on allegations Musk is pressuring researchers to make progress faster, resulting in “hack jobs” on animals used to test implants. The Physicians Committee for Responsible Medicine in February said the FDA had agreed to “look into the invasive, fatal mon…