(AP) — Kansas’ governor vetoed legislation Wednesday that would require clinics to tell patients that a medication abortion can be stopped using an unproven drug regimen. If they do, patients asking for a medical abortion would get a state-mandated, written notice that they can interrupt their abortion, even though the American College of Obstetrics and Gynecology says there is no scientific evidence that the “reversal” approach promoted by abortion opponents is safe or effective. The abortion “reversal” approach promoted by Kansas lawmakers involves giving women doses of the hormone progesterone after mifepristone is taken but before the second medication, misoprostol, is taken