Original sentence: During his Senate campaign, Ryan was a proponent of across-the-board tax cuts and tort reform, an effort to limit payout in medical malpractice lawsuits.He was also a proponent of school choice and an approach that stresses accountability in education and the freedom to choose which school one's children attend
Edited sentence: During his Senate campaign, Ryan was a proponent of across-the-board tax cuts and tort reform, an effort to limit payout in medical malpractice lawsuits, as well as a proponent of school choice